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US3897989A - Display and storage device - Google Patents

Display and storage device Download PDF

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Publication number
US3897989A
US3897989A US421520A US42152073A US3897989A US 3897989 A US3897989 A US 3897989A US 421520 A US421520 A US 421520A US 42152073 A US42152073 A US 42152073A US 3897989 A US3897989 A US 3897989A
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United States
Prior art keywords
sectors
compartmented
columns
display
refrigerated
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US421520A
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Rene Grandi
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J39/00—Heat-insulated warming chambers; Cupboards with heating arrangements for warming kitchen utensils
    • A47J39/003—Heat-insulated warming chambers; Cupboards with heating arrangements for warming kitchen utensils with forced air circulation
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
    • A47F3/0482—Details common to both closed and open types
    • A47F3/0486—Details common to both closed and open types for charging, displaying or discharging the articles
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B31/00—Service or tea tables, trolleys, or wagons
    • A47B31/02—Service or tea tables, trolleys, or wagons with heating, cooling or ventilating means
    • A47B2031/026—Service or tea tables, trolleys, or wagons with heating, cooling or ventilating means having warm and cold compartments
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S165/00—Heat exchange
    • Y10S165/918—Heated and cooled food cabinets and/or trays

Definitions

  • a display and storage device is intended for the distribution of cooled. and also of pre-heated, foods on a supporting unit, each unit having a compartmented surface divided axially by a double symmetrical concave groove on both faces and a perforated surface.
  • the units are used in combination with a storage cabinet which received the units superimposed in two stacked rows divided up axially by a fixed partition and by a flexible partition with fibres and tufts joining the axial concave profiles of the tray units and separating thermally the refrigerated sectors from the preheated sectors.
  • the heating sectors may have columns ending in a discharge hood and in a recovery tank, and the refrigerating columns may be supplied laterally by distributing shafts, with deflecting vanes, which pass cold air to the evaporator through the action of a recycling aspirator.
  • the device according to the invention altogether does away with these drawbacks and makes it possible to use an intact storage and display surface with simplified manufacture which, while increasing the advantages, lowers the cost price, and adapts the hot and cool display unit to the storage cabinet.
  • a tray having firstly a surface that is merely compartmented on one side, then a double axial profile, with concave symmetrical surface, on both sides, which is designed to fit a flexible insulating partition separating the perforated surface receiving the metal container provided with isothermal packing on its parts in contact with the trays.
  • FIG. 1 shows details of the design of the tray seen in longitudinal section.
  • FIG. 2 shows in elevation and section the storage cabinet with double heating and cooling circuit.
  • the tray in FIG. 1 consists of a part in one piece, preferably of dielectric, isothermal, insulating synthetic material.
  • An area 1 of this surface is provided with compartments 2, 3 to hold the food to be refrigerated.
  • [ts axial part has on its two faces a concave groove 4, 5 for holding a packing 6, 7 formed by flexible and insulating portions, forming a perfectly tight-fitting flexible isothermal partition.
  • the surface 8 only has a single orifice intended for holding a metal container 10 with overlapping base 11.
  • This container is movable or fixed and has a movable cover 12.
  • a heat lagged packaging l3, l4 insulates the metal parts in contact with the surface 8.
  • This tray is placed in a storage cabinet. It is positioned by regular stacking with superimposition as at 15, 16, 17, 18 on either side of the separating axial partition 19.
  • the heating sectors 8, 8' are superimposed in the columns 20, 21 ending in a suction discharge hood 22, arrow A.
  • Series of heating resistances 23, 24 keep the containers 10 at the required temperature.
  • Tanks 3S recover the condensation, while a compressor 36 completes this assembly.
  • a display and storage device for the distribution of cooled and preheated foods on a supporting unit, comprising a compartmented dielectric, isothermal insulating surface having a double symmetrical concave groove on both faces axially dividing said surface and a perforated surface on one side of said groove, said device having no space that is not accessible for cleaning, and no countenbacking off making manufacture complex.
  • a device in which the compartmented part is intended for foods to be refrigerated and the perforated part is intended for containers holding dishes to be eaten hot, said device being preferably movable and provided with isothermal packing separating the metal surfaces from the supporting surfaces that are made generally of synthetic material.
  • a display and storage device which comprises a storage cabinet, said cabinet receiving trays, each tray comprising a compartmented, dielectric, isothermal insulating surface having a double symmetrical concave groove on both faces axially dividing said surface and a perforated surface on one side of said groove, said trays being stacked in two rows of stacks divided up axially by a fixed outer partition and by a flexible inner insulating partition with fibres and tufts joining the axial concave profiles of the trays and separating thermally the refrigerated sectors from the preheated sec tors.
  • heating sectors have their columns ending in a discharge hood and in a recovery tank, and wherein the refrigerating columns are supplied laterally by distributing shafts, each shaft having deflecting vanes which pass cold air to the evaporator through the action of a recycling aspirator.
  • a device wherein said perforated surface each includes a container of relatively high thermal conductivity and a heater positioned in contact with each container.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Devices For Warming Or Keeping Food Or Tableware Hot (AREA)
  • Freezers Or Refrigerated Showcases (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Table Equipment (AREA)

Abstract

A display and storage device is intended for the distribution of cooled, and also of pre-heated, foods on a supporting unit, each unit having a compartmented surface divided axially by a double symmetrical concave groove on both faces and a perforated surface. The units are used in combination with a storage cabinet which received the units superimposed in two stacked rows divided up axially by a fixed partition and by a flexible partition with fibres and tufts joining the axial concave profiles of the tray units and separating thermally the refrigerated sectors from the preheated sectors. The heating sectors may have columns ending in a discharge hood and in a recovery tank, and the refrigerating columns may be supplied laterally by distributing shafts, with deflecting vanes, which pass cold air to the evaporator through the action of a recycling aspirator.

Description

1 1 DISPLAY AND STORAGE DEVICE Rene Grandi. l 13 rue de la Liberation 38 Bourgoin- Jullieu, France 221 Filed: Dec.4, 1973 1211 Appl. N0.;421,s20
[76] lnventor:
[ Aug. 5, 1975 Primary Examiner-Casmir A. Nunberg Attorney, Agent. or FirmWi11iam Anthony Drucker 5 7 ABSTRACT A display and storage device is intended for the distribution of cooled. and also of pre-heated, foods on a supporting unit, each unit having a compartmented surface divided axially by a double symmetrical concave groove on both faces and a perforated surface. The units are used in combination with a storage cabinet which received the units superimposed in two stacked rows divided up axially by a fixed partition and by a flexible partition with fibres and tufts joining the axial concave profiles of the tray units and separating thermally the refrigerated sectors from the preheated sectors. The heating sectors may have columns ending in a discharge hood and in a recovery tank, and the refrigerating columns may be supplied laterally by distributing shafts, with deflecting vanes, which pass cold air to the evaporator through the action of a recycling aspirator.
5 Claims, 2 Drawing Figures [30] Foreign Application Priority Data Decv 6, 1972 France .4 72.44646 [52] U.S. C1 312/236; 312/126 [51] Int. Cl. A47B 47/00; A47B 77/08 [58] FieldofSearch ..312/1l4, 116211214, 312/236, 250, 209 R [56] References Cited UNITED STATES PATENTS 1042.384 7/1962 Bauman 312/236 1275393 9/1966 Stentz et all H 3L 2/214 329L546 12/1966 Traycoffws. 312/236 X 131L434 3/1967 Dyer et a1... 312/214 3.389.946 6/1968 Nicolaus 312/236 DISPLAY AND STORAGE DEVICE The invention relates to a device for displaying and storing refrigerated and pre-heated foodstuffs on a supporting unit.
In the known devices of this type, use is made of isothermal and dielectric material trays whose bearing surface has, on the one hand, compartments for holding the food to be refrigerated and moreover an electric resistance embedded in the compound, which preheats the tray containing the food to be eaten hot; this heating alters the shape and causes the destruction of the tray, which soon becomes impossible to use. Moreover, the cleaning of these supports soon becomes out of the question, so that their high cost price greatly raises the charges made for the meals thus served.
The device according to the invention altogether does away with these drawbacks and makes it possible to use an intact storage and display surface with simplified manufacture which, while increasing the advantages, lowers the cost price, and adapts the hot and cool display unit to the storage cabinet.
It consists of a tray having firstly a surface that is merely compartmented on one side, then a double axial profile, with concave symmetrical surface, on both sides, which is designed to fit a flexible insulating partition separating the perforated surface receiving the metal container provided with isothermal packing on its parts in contact with the trays.
In the accompanying drawings, which are given by way of non-limiting example of one of the forms of carrying out the invention:
FIG. 1 shows details of the design of the tray seen in longitudinal section.
FIG. 2 shows in elevation and section the storage cabinet with double heating and cooling circuit.
The tray in FIG. 1 consists of a part in one piece, preferably of dielectric, isothermal, insulating synthetic material.
An area 1 of this surface is provided with compartments 2, 3 to hold the food to be refrigerated. [ts axial part has on its two faces a concave groove 4, 5 for holding a packing 6, 7 formed by flexible and insulating portions, forming a perfectly tight-fitting flexible isothermal partition.
The surface 8 only has a single orifice intended for holding a metal container 10 with overlapping base 11. This container is movable or fixed and has a movable cover 12.
A heat lagged packaging l3, l4 insulates the metal parts in contact with the surface 8.
This tray is placed in a storage cabinet. It is positioned by regular stacking with superimposition as at 15, 16, 17, 18 on either side of the separating axial partition 19.
The heating sectors 8, 8' are superimposed in the columns 20, 21 ending in a suction discharge hood 22, arrow A. Series of heating resistances 23, 24 keep the containers 10 at the required temperature.
In the refrigerating columns 25, 26 where the sectors 1, 1 provided with compartments are placed, cool air circulates between the rigid partitions 27, 28 and the flexible partitions 29, 30. The cold air generated by the evaporator 33 is sent to the shafts 31, 32, arrows B, and passes into the columns 25, 26 arrows C via the deflectors 31' 32' through the action of the aspirator 34.
Tanks 3S recover the condensation, while a compressor 36 completes this assembly. There are thus obtained with extremely simple trays, which can be reused indefinitely, are easy to clean and keep antiseptic, meal displays having on a single surface a warm dish and iced sweets, which are ready to be eaten at all times, over an unlimited period of time.
It is therefore through the combination of the compartments with functional profiles and flexible partitions that the invention is characterised.
I claim:
1. A display and storage device, for the distribution of cooled and preheated foods on a supporting unit, comprising a compartmented dielectric, isothermal insulating surface having a double symmetrical concave groove on both faces axially dividing said surface and a perforated surface on one side of said groove, said device having no space that is not accessible for cleaning, and no countenbacking off making manufacture complex.
2. A device, according to claim 1, in which the compartmented part is intended for foods to be refrigerated and the perforated part is intended for containers holding dishes to be eaten hot, said device being preferably movable and provided with isothermal packing separating the metal surfaces from the supporting surfaces that are made generally of synthetic material.
3. A display and storage device which comprises a storage cabinet, said cabinet receiving trays, each tray comprising a compartmented, dielectric, isothermal insulating surface having a double symmetrical concave groove on both faces axially dividing said surface and a perforated surface on one side of said groove, said trays being stacked in two rows of stacks divided up axially by a fixed outer partition and by a flexible inner insulating partition with fibres and tufts joining the axial concave profiles of the trays and separating thermally the refrigerated sectors from the preheated sec tors.
4. A device, according to claim 3 wherein the heating sectors have their columns ending in a discharge hood and in a recovery tank, and wherein the refrigerating columns are supplied laterally by distributing shafts, each shaft having deflecting vanes which pass cold air to the evaporator through the action of a recycling aspirator.
5. A device according to claim 4 wherein said perforated surface each includes a container of relatively high thermal conductivity and a heater positioned in contact with each container.
* l IF i

Claims (5)

1. A display and storage device, for the distribution of cooled and preheated foods on a supporting unit, comprising a compartmented dielectric, isothermal insulating surface having a double symmetrical concave groove on both faces axially dividing said surface and a perforated surface on one side of said groove, said device having no space that is not accessible for cleaning, and no counter-backing off making manufacture complex.
2. A device, according to claim 1, in which the compartmented part is intended for foods to be refrigerated and the perforated part is intended for containers holding dishes to be eaten hot, said device being preferably movable and provided with isothermal packing separating the metal surfaces from the supporting surfaces that are made generally of synthetic material.
3. A display and storage device which comprises a storage cabinet, said cabinet receiving trays, each tray comprising a compartmented, dielectric, isothermal insulating surface having a double symmetrical concave groove on both faces axially dividing said surface and a perforated surface on one side of said groove, said trays being stacked in two rows of stacks divided up axially by a fixed outer partition and by a flexible inner insulating partition with fibres and tufts joining the axial concave profiles of the trays and separating thermally the refrigerated sectors from the preheated sectors.
4. A device, according to claim 3 wherein the heating sectors have their columns ending in a discharge hood and in a recovery tank, and wherein the refrigerating columns are supplied laterally by distributing shafts, each shaft having deflecting vanes which pass cold air to the evaporator through the action of a recycling aspirator.
5. A device according to claim 4 wherein said perforated surface each includes a container of relatively high thermal conductivity and a heater positioned in contact with each container.
US421520A 1972-12-06 1973-12-04 Display and storage device Expired - Lifetime US3897989A (en)

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Application Number Priority Date Filing Date Title
FR7244646A FR2209285A5 (en) 1972-12-06 1972-12-06

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US3897989A true US3897989A (en) 1975-08-05

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US (1) US3897989A (en)
JP (1) JPS5643727B2 (en)
AU (1) AU6331073A (en)
BE (1) BE808102A (en)
CH (1) CH575740A5 (en)
DD (1) DD108653A5 (en)
DE (1) DE2359097C2 (en)
ES (1) ES421107A1 (en)
FR (1) FR2209285A5 (en)
GB (1) GB1432786A (en)
IL (1) IL43755A (en)
IT (1) IT1005173B (en)
MC (1) MC998A1 (en)
NL (1) NL7316502A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4103736A (en) * 1974-09-30 1978-08-01 Anchor Hocking Corporation Apparatus for heating a food item while retaining its moisture and nutritional components
US4776386A (en) * 1985-04-29 1988-10-11 Hermann Meier Apparatus for cooling, storing and reheating food using induction heating
US5086834A (en) * 1988-09-14 1992-02-11 Rene Grandi Apparatus for storing and heating food products
US5159973A (en) * 1991-03-28 1992-11-03 Plastics Manufacturing Co. Dual temperature maintenance food serving compartment with pre-cooled cooling modules and heat storage pellets
US5852967A (en) * 1997-02-03 1998-12-29 Restaurant Technology, Inc. Food treatment system
US5880434A (en) * 1995-11-21 1999-03-09 Restaurant Technology, Inc. Food treatment cabinet
US5947012A (en) * 1995-05-11 1999-09-07 Restaurant Technology, Inc. Cooked food staging device and method
DE10232904B4 (en) * 2001-08-21 2005-03-17 Rational Ag Horde rack with heat storage
US20160114892A1 (en) * 2014-10-28 2016-04-28 The Boeing Company Galley compartment for a galley system of an aircraft
USD1005781S1 (en) 2021-01-29 2023-11-28 Duke Manufacturing Co. Liner for a food holding well
US11912465B2 (en) 2021-01-27 2024-02-27 Duke Manufacturing Co. Liner for food receiver of food holding apparatus

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4203486A (en) * 1977-01-11 1980-05-20 Anchor Hocking Corporation Food preparation apparatus and process
FR2413900A1 (en) * 1978-01-10 1979-08-03 Pruines Iseco De PREPARED MEAL STORAGE CABINET WITH COLD KEEPING AND HYPERFREQUENCY REHEATING
FR2474852A1 (en) * 1980-02-01 1981-08-07 Fond Franco Belges Food storage distributor container - consists of insulated container with horizontal trays, pivoting door and insulated partition
DE3106068A1 (en) * 1981-02-19 1982-09-09 Binz Gmbh & Co, 7073 Lorch "CABINET UNIT WITH ONE OR SEVERAL DRAWERS FOR RECEIVING MEDICAL DEVICES"
JPS58139432U (en) * 1982-03-15 1983-09-20 本州製紙株式会社 double bottom container
JPS6321211U (en) * 1986-10-09 1988-02-12
DE4032216A1 (en) * 1990-08-14 1992-02-27 Alois Kinberger TRANSPORT AND WARM HOLDING CONTAINERS FOR HOT PREPARED DISHES
FR2682276B1 (en) * 1991-10-14 1994-01-21 Grandi Rene DEVICE FOR REFRIGERATING AND COOKING OR RECOVERING FOOD FOR THE AUTOMATIC DELIVERY OF MEALS.
DE59710698D1 (en) * 1997-11-21 2003-10-09 Schmalz Nachfolger Beat Schmal Trolley to hold several trays of food
DE202022103937U1 (en) 2022-07-13 2023-10-16 MenüMobil Food Service Systems GmbH Support device, system and heat generating device for temperature control or heating of food

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3042384A (en) * 1959-08-10 1962-07-03 Nutting Truck & Caster Co Food serving cart
US3275393A (en) * 1959-10-13 1966-09-27 United Service Equipment Co In Hot and cold food service cart
US3291546A (en) * 1960-01-28 1966-12-13 Phillip S Traycoff Apparatus for storing and delivering hot and cold food
US3311434A (en) * 1965-09-29 1967-03-28 Crimsco Inc Hot and cold food serving apparatus
US3389946A (en) * 1966-02-16 1968-06-25 Homann Maytag G M B H Fa Cart for carrying trays

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1219352A (en) * 1958-12-24 1960-05-17 Device for storing and transporting hot and cold food
US3199579A (en) * 1960-02-11 1965-08-10 Foster Refrigerator Corp Heating and cooling food storage cabinet
US3222114A (en) * 1963-03-12 1965-12-07 United Service Equipment Co In Thermal barrier partition for a hot and cold food service cart

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3042384A (en) * 1959-08-10 1962-07-03 Nutting Truck & Caster Co Food serving cart
US3275393A (en) * 1959-10-13 1966-09-27 United Service Equipment Co In Hot and cold food service cart
US3291546A (en) * 1960-01-28 1966-12-13 Phillip S Traycoff Apparatus for storing and delivering hot and cold food
US3311434A (en) * 1965-09-29 1967-03-28 Crimsco Inc Hot and cold food serving apparatus
US3389946A (en) * 1966-02-16 1968-06-25 Homann Maytag G M B H Fa Cart for carrying trays

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4103736A (en) * 1974-09-30 1978-08-01 Anchor Hocking Corporation Apparatus for heating a food item while retaining its moisture and nutritional components
US4776386A (en) * 1985-04-29 1988-10-11 Hermann Meier Apparatus for cooling, storing and reheating food using induction heating
US5086834A (en) * 1988-09-14 1992-02-11 Rene Grandi Apparatus for storing and heating food products
US5159973A (en) * 1991-03-28 1992-11-03 Plastics Manufacturing Co. Dual temperature maintenance food serving compartment with pre-cooled cooling modules and heat storage pellets
US5947012A (en) * 1995-05-11 1999-09-07 Restaurant Technology, Inc. Cooked food staging device and method
US6358548B1 (en) 1995-05-11 2002-03-19 Restaurant Technology, Inc. Cooked food staging device and method
US6607766B2 (en) 1995-05-11 2003-08-19 Restaurant Technology, Inc. Cooked food staging device and method
US5880434A (en) * 1995-11-21 1999-03-09 Restaurant Technology, Inc. Food treatment cabinet
US5852967A (en) * 1997-02-03 1998-12-29 Restaurant Technology, Inc. Food treatment system
DE10232904B4 (en) * 2001-08-21 2005-03-17 Rational Ag Horde rack with heat storage
US20160114892A1 (en) * 2014-10-28 2016-04-28 The Boeing Company Galley compartment for a galley system of an aircraft
US9802703B2 (en) * 2014-10-28 2017-10-31 The Boeing Company Galley compartment for a galley system of an aircraft
US10293941B2 (en) * 2014-10-28 2019-05-21 The Boeing Company Galley compartment for a galley system of an aircraft
US11912465B2 (en) 2021-01-27 2024-02-27 Duke Manufacturing Co. Liner for food receiver of food holding apparatus
USD1005781S1 (en) 2021-01-29 2023-11-28 Duke Manufacturing Co. Liner for a food holding well

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Publication number Publication date
AU6331073A (en) 1975-06-12
JPS4996351A (en) 1974-09-12
DD108653A5 (en) 1974-10-05
FR2209285A5 (en) 1974-06-28
NL7316502A (en) 1974-06-10
JPS5643727B2 (en) 1981-10-14
DE2359097A1 (en) 1974-06-12
IL43755A (en) 1976-01-30
ES421107A1 (en) 1976-05-01
MC998A1 (en) 1974-10-18
IL43755A0 (en) 1974-03-14
DE2359097C2 (en) 1981-12-24
GB1432786A (en) 1976-04-22
CH575740A5 (en) 1976-05-31
IT1005173B (en) 1976-08-20
BE808102A (en) 1974-03-15

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