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IT8548939A0 - Dispositivo filtrante per scappamento di veicolo - Google Patents

Dispositivo filtrante per scappamento di veicolo

Info

Publication number
IT8548939A0
IT8548939A0 IT8548939A IT4893985A IT8548939A0 IT 8548939 A0 IT8548939 A0 IT 8548939A0 IT 8548939 A IT8548939 A IT 8548939A IT 4893985 A IT4893985 A IT 4893985A IT 8548939 A0 IT8548939 A0 IT 8548939A0
Authority
IT
Italy
Prior art keywords
filtering device
vehicle exhaust
exhaust
vehicle
filtering
Prior art date
Application number
IT8548939A
Other languages
English (en)
Other versions
IT1181988B (it
Inventor
Johnsson Rolf
Original Assignee
Johnsson Rolf
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Johnsson Rolf filed Critical Johnsson Rolf
Publication of IT8548939A0 publication Critical patent/IT8548939A0/it
Application granted granted Critical
Publication of IT1181988B publication Critical patent/IT1181988B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F01N13/0097—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00—Construction or details of pipe joints not provided for in, or of interest apart from, groups F16L13/00 - F16L23/00
    • F16L25/14—Joints for pipes of different diameters or cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/12—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls, or other movable or insertable locking members
    • F16L37/123—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls, or other movable or insertable locking members using a retaining member in the form of a wedge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/14—Combinations of different methods of purification absorption or adsorption, and filtering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/08—Granular material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/10—Fibrous material, e.g. mineral or metallic wool
    • F01N2330/101—Fibrous material, e.g. mineral or metallic wool using binders, e.g. to form a permeable mat, paper or the like
    • F01N2330/102—Fibrous material, e.g. mineral or metallic wool using binders, e.g. to form a permeable mat, paper or the like fibrous material being fiber reinforced polymer made of plastic matrix reinforced by fine glass or in the form of a loose mass of filaments or fibers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2370/00—Selection of materials for exhaust purification
    • F01N2370/22—Selection of materials for exhaust purification used in non-catalytic purification apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2370/00—Selection of materials for exhaust purification
    • F01N2370/40—Activated carbon or charcoal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/10—Fitting temporarily exhaust apparatus on exhaust conduit, e.g. in confined environment, garage or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/18—Methods or apparatus for fitting, inserting or repairing different elements by using quick-active type locking mechanisms, e.g. clips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/26—Methods or apparatus for fitting, inserting or repairing different elements by bayonet fittings
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • 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
    • Y10S55/00—Gas separation
    • Y10S55/30—Exhaust treatment

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Processes For Solid Components From Exhaust (AREA)
  • Exhaust Silencers (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Centrifugal Separators (AREA)
  • Surgical Instruments (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Loading Or Unloading Of Vehicles (AREA)
  • Soil Working Implements (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
IT48939/85A 1984-12-18 1985-12-17 Dispositivo filtrante per scappamento di veicolo IT1181988B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE1984/000433 WO1986003802A1 (en) 1984-12-18 1984-12-18 A filtering device for vehicle exhaust

Publications (2)

Publication Number Publication Date
IT8548939A0 true IT8548939A0 (it) 1985-12-17
IT1181988B IT1181988B (it) 1987-09-30

Family

ID=20354498

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48939/85A IT1181988B (it) 1984-12-18 1985-12-17 Dispositivo filtrante per scappamento di veicolo

Country Status (12)

Country Link
US (1) US4706455A (it)
EP (1) EP0236295B1 (it)
JP (1) JPH0621536B2 (it)
AT (1) ATE41475T1 (it)
AU (1) AU584375B2 (it)
BR (1) BR8407379A (it)
CA (1) CA1270771A (it)
DE (1) DE3477227D1 (it)
ES (1) ES8702578A1 (it)
FI (1) FI92240C (it)
IT (1) IT1181988B (it)
WO (1) WO1986003802A1 (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1211803B (it) * 1987-09-25 1989-11-03 Castellammare Di Stabia Napoli Condotto di scarico per motori acombustione interna dotato di dispositivo di alloggiamento di filtri per l'abbattimento delle particelle solide sospese e degli idrocarburi incombusti nel gas di scarico
GB2235636B (en) * 1989-09-05 1993-05-19 Michael Portelli Filter for the exhaust carbon fumes
IT1254054B (it) * 1991-05-13 1995-09-07 Saverio Megna Dispositivo di depurazione dei gas di scarico di un motore a combustione interna
FR2685034B1 (fr) * 1991-12-11 1994-03-11 Dynam Process Dispositif intercalaire de connexion temporaire et etanche d'au moins une conduite sur la collerette qui borde l'orifice de sortie du collecteur d'echappement d'un moteur a explosion.
FR2750163B1 (fr) * 1996-06-25 1998-08-07 Teboul Daniel Centrale de filtration electrostatique autonome incorporee dans un vehicule a moteur a explosion fonctionnant au gazole ou a l'essence
SE511689C2 (sv) * 1998-03-27 1999-11-08 Scandfilter Ab Temporärt vid ett fordons avgasrör anordnat avgasfilter
US6926824B2 (en) * 2003-08-13 2005-08-09 Jen-Chieh Wang Purifier with molecular-rearranging device
US7223072B2 (en) * 2004-01-27 2007-05-29 Honeywell International, Inc. Gas turbine engine including airfoils having an improved airfoil film cooling configuration and method therefor
FR2883030B1 (fr) 2005-03-14 2007-06-08 Ange Guazzelli Dispositif de filtration des gaz d'echappement d'un moteur a combustion interne
US7523605B2 (en) * 2005-10-19 2009-04-28 Whitaker Corey D Air filter for a tail pipe
WO2007112482A1 (en) * 2006-03-31 2007-10-11 Shairzal Safety Engineering Pty Ltd Passive apparatus and method for filtering noxious gases
JP5778456B2 (ja) * 2011-03-31 2015-09-16 大阪ガスエンジニアリング株式会社 排ガス清浄化装置
DE102015003864B3 (de) * 2015-03-26 2016-08-04 Mtu Friedrichshafen Gmbh Verschlussdeckel mit integrierter Demontage-/Montagefunktion
GB2554662A (en) 2016-09-30 2018-04-11 Perkins Engines Co Ltd Joint assembly
DE102017003778B4 (de) 2017-04-19 2021-11-11 Andreas Simon Abgasfilter für Kraftfahrzeuge
US10900398B2 (en) * 2018-05-15 2021-01-26 Christopher Dean Muffler filter
FR3091728B1 (fr) * 2019-01-10 2020-12-18 Faurecia Systemes Dechappement Tronçon de ligne d’échappement avec dispositif de retenue pour organe de purification comportant un système à baïonnette et système de dépollution associé
CN109854592A (zh) * 2019-04-08 2019-06-07 东莞市勇迈五金制品有限公司 一种五金套管连接配件
WO2021062449A1 (en) * 2019-09-25 2021-04-01 Peck Khadija Exhaust-cap
US12121841B2 (en) 2022-03-09 2024-10-22 Joseph Hamilton Pollutant filtering assembly

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2620893A (en) * 1949-04-28 1952-12-09 Raymond B Holt Filter for exhaust pipes of internal-combustion engines
US2524588A (en) * 1949-05-04 1950-10-03 Charles E Bechtel Spark arrester
GB1066637A (en) * 1964-02-13 1967-04-26 Hoover Ltd Improvements relating to tubular spigot assemblies
US3406501A (en) * 1967-07-06 1968-10-22 David R. Watkins Automobile engine exhaust filter
US3476412A (en) * 1968-03-05 1969-11-04 Amp Inc Tubular connection device
SE342495B (it) * 1969-12-23 1972-02-07 Larsson Brdr Ind Ab
US3675398A (en) * 1970-10-15 1972-07-11 Lawrence P Giarrizzo Exhaust filter attachment
BE765977A (nl) * 1971-04-20 1971-09-16 Schreurs Stephanus J Inrichting voor het zuiveren van industriele rook en gassen.
GB1400827A (en) * 1972-09-28 1975-07-23 Ford Motor Co Diesel engine
GB1434431A (en) * 1973-01-09 1976-05-05 Hozelock Ltd Snap connectors for interconnecting pipes and the like
US3876234A (en) * 1973-01-11 1975-04-08 Extracorporeal Med Spec Twist-lock connector
SE401250B (sv) * 1976-04-08 1978-04-24 Atlas Copco Ab Koppling for forening av slangar med varandra eller med andra ledningsorgan
DE2756570A1 (de) * 1977-03-21 1978-09-28 Texaco Development Corp Kontrollierbar beheizbarer rauchfilter fuer brennkraftmaschine
CH635654A5 (en) * 1978-08-16 1983-04-15 Cesare Balzi Emission control unit for exhaust gases
DE7920496U1 (de) * 1979-07-18 1979-11-08 Festo-Maschinenfabrik Gottlieb Stoll, 7300 Esslingen Anschlussverbindungsstueck fuer leitungen zum fuehren von gasfoermigen oder fluessigen medien
JPS58501476A (ja) * 1981-07-31 1983-09-01 マイニング　サプライズ　（ミンサツプ）　プテイ　リミテツド 流体用カップリング
JPS5833330A (ja) * 1981-08-21 1983-02-26 Nec Corp ケ−ブル伝送路のチエツク方式
SE449517B (sv) * 1982-07-02 1987-05-04 Bahco Kraftverktyg Ab Paverkningsanordning for manovrering av en snabbkoppling
CA1205836A (en) * 1982-12-15 1986-06-10 Larry Hohol Coupling

Also Published As

Publication number Publication date
ES550053A0 (es) 1987-01-01
IT1181988B (it) 1987-09-30
FI92240B (fi) 1994-06-30
EP0236295A1 (en) 1987-09-16
ATE41475T1 (de) 1989-04-15
US4706455A (en) 1987-11-17
BR8407379A (pt) 1987-11-03
WO1986003802A1 (en) 1986-07-03
DE3477227D1 (en) 1989-04-20
JPH0621536B2 (ja) 1994-03-23
EP0236295B1 (en) 1989-03-15
FI92240C (fi) 1994-10-10
ES8702578A1 (es) 1987-01-01
AU5142985A (en) 1986-06-26
FI872654A0 (fi) 1987-06-15
AU584375B2 (en) 1989-06-25
FI872654A (fi) 1987-06-15
JPS62501159A (ja) 1987-05-07
CA1270771A (en) 1990-06-26

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