FR1107452A - Procédés pour la réalisation de contacts redresseurs et d'amplificateurs à cristaux - Google Patents
Procédés pour la réalisation de contacts redresseurs et d'amplificateurs à cristauxInfo
- Publication number
- FR1107452A FR1107452A FR1107452DA FR1107452A FR 1107452 A FR1107452 A FR 1107452A FR 1107452D A FR1107452D A FR 1107452DA FR 1107452 A FR1107452 A FR 1107452A
- Authority
- FR
- France
- Prior art keywords
- processes
- rectifier contacts
- making rectifier
- crystal amplifiers
- amplifiers
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 239000013078 crystal Substances 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F30/00—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B35/00—Boron; Compounds thereof
- C01B35/02—Boron; Borides
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
- C30B25/02—Epitaxial-layer growth
- C30B25/08—Reaction chambers; Selection of materials therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02524—Group 14 semiconducting materials
- H01L21/02532—Silicon, silicon germanium, germanium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/0257—Doping during depositing
- H01L21/02573—Conductivity type
- H01L21/02576—N-type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/0262—Reduction or decomposition of gaseous compounds, e.g. CVD
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D48/00—Individual devices not covered by groups H10D1/00 - H10D44/00
- H10D48/30—Devices controlled by electric currents or voltages
- H10D48/32—Devices controlled by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H10D48/34—Bipolar devices
- H10D48/345—Bipolar transistors having ohmic electrodes on emitter-like, base-like, and collector-like regions
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/60—Impurity distributions or concentrations
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D99/00—Subject matter not provided for in other groups of this subclass
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F71/00—Manufacture or treatment of devices covered by this subclass
-
- 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
- Y10S148/00—Metal treatment
- Y10S148/006—Apparatus
-
- 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
- Y10S148/00—Metal treatment
- Y10S148/067—Graded energy gap
-
- 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
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/914—Doping
- Y10S438/925—Fluid growth doping control, e.g. delta doping
-
- 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
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/935—Gas flow control
-
- 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
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/936—Graded energy gap
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Metallurgy (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Photovoltaic Devices (AREA)
- Silicon Compounds (AREA)
- Electrodes Of Semiconductors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP0039090 | 1949-04-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1107452A true FR1107452A (fr) | 1956-01-03 |
Family
ID=7376279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1107452D Expired FR1107452A (fr) | 1949-04-06 | 1950-04-06 | Procédés pour la réalisation de contacts redresseurs et d'amplificateurs à cristaux |
Country Status (5)
Country | Link |
---|---|
US (1) | US2701216A (fr) |
CH (1) | CH294487A (fr) |
DE (1) | DE883784C (fr) |
FR (1) | FR1107452A (fr) |
GB (1) | GB682105A (fr) |
Families Citing this family (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL178978B (nl) * | 1952-06-19 | Texaco Ag | Werkwijze voor het bereiden van een smeervet op basis van lithiumzeep. | |
NL180750B (nl) * | 1952-08-20 | Bristol Myers Co | Werkwijze voor het bereiden van een 7-amino-3-cefem-4-carbonzuur derivaat door een 7-acylamino-3-cefem-4-carbonzuur derivaat om te zetten. | |
US2763581A (en) * | 1952-11-25 | 1956-09-18 | Raytheon Mfg Co | Process of making p-n junction crystals |
US2836520A (en) * | 1953-08-17 | 1958-05-27 | Westinghouse Electric Corp | Method of making junction transistors |
GB778383A (en) * | 1953-10-02 | 1957-07-03 | Standard Telephones Cables Ltd | Improvements in or relating to the production of material for semi-conductors |
US2861017A (en) * | 1953-09-30 | 1958-11-18 | Honeywell Regulator Co | Method of preparing semi-conductor devices |
NL193073A (fr) * | 1954-03-05 | |||
NL87348C (fr) * | 1954-03-19 | 1900-01-01 | ||
NL122356C (fr) * | 1954-05-18 | 1900-01-01 | ||
US2928761A (en) * | 1954-07-01 | 1960-03-15 | Siemens Ag | Methods of producing junction-type semi-conductor devices |
DE1228342B (de) * | 1954-07-14 | 1966-11-10 | Siemens Ag | Diffusionsverfahren zum Dotieren einer Oberflaechenschicht von festen Halbleiterkoerpern |
DE1033784B (de) * | 1954-12-07 | 1958-07-10 | Siemens Ag | Verfahren zur Nachbehandlung eines Halbleiterwerkstoffes fuer Richtleiter, Transistoren u. dgl. |
US2847624A (en) * | 1955-02-24 | 1958-08-12 | Sylvania Electric Prod | Semiconductor devices and methods |
NL107344C (fr) * | 1955-03-23 | |||
DE1040133B (de) * | 1955-05-27 | 1958-10-02 | Siemens Ag | Verfahren zur Herstellung von Flaechengleichrichtern mit einem Halbleiter aus einer Zweistoff-Verbindung |
US2895858A (en) * | 1955-06-21 | 1959-07-21 | Hughes Aircraft Co | Method of producing semiconductor crystal bodies |
DE1227433B (de) * | 1955-07-28 | 1966-10-27 | Siemens Ag | Verfahren zum Einbau definierter Stoerstellen in Metall- oder Halbleiterschichten |
US2827403A (en) * | 1956-08-06 | 1958-03-18 | Pacific Semiconductors Inc | Method for diffusing active impurities into semiconductor materials |
DE1130078B (de) * | 1956-08-10 | 1962-05-24 | Siemens Ag | Verfahren zur Dotierung von Halbleiterkristallen fuer Halbleiterbauelemente |
GB878765A (en) * | 1956-11-05 | 1961-10-04 | Plessey Co Ltd | Improvements in and relating to processes for the manufacture of semiconductor materials |
NL244520A (fr) * | 1958-10-23 | |||
US3154439A (en) * | 1959-04-09 | 1964-10-27 | Sprague Electric Co | Method for forming a protective skin for transistor |
NL133151C (fr) * | 1959-05-28 | 1900-01-01 | ||
US3009834A (en) * | 1959-10-29 | 1961-11-21 | Jacques M Hanlet | Process of forming an electroluminescent article and the resulting article |
US3190773A (en) * | 1959-12-30 | 1965-06-22 | Ibm | Vapor deposition process to form a retrograde impurity distribution p-n junction formation wherein the vapor contains both donor and acceptor impurities |
NL260906A (fr) * | 1960-02-12 | |||
US3098774A (en) * | 1960-05-02 | 1963-07-23 | Mark Albert | Process for producing single crystal silicon surface layers |
US3168422A (en) * | 1960-05-09 | 1965-02-02 | Merck & Co Inc | Process of flushing unwanted residue from a vapor deposition system in which silicon is being deposited |
IT649936A (fr) * | 1960-05-09 | |||
NL127213C (fr) * | 1960-06-10 | |||
NL265948A (fr) * | 1960-06-14 | 1900-01-01 | ||
NL266513A (fr) * | 1960-07-01 | |||
NL274847A (fr) * | 1961-02-16 | |||
US3101280A (en) * | 1961-04-05 | 1963-08-20 | Ibm | Method of preparing indium antimonide films |
DE1138481C2 (de) * | 1961-06-09 | 1963-05-22 | Siemens Ag | Verfahren zur Herstellung von Halbleiteranordnungen durch einkristalline Abscheidung von Halbleitermaterial aus der Gasphase |
DE1639545B1 (de) * | 1961-08-21 | 1969-09-04 | Siemens Ag | Verfahren zum Herstellen einer Halbleiteranordnung mit Zonen unterschiedlichen Leitungstyp |
US3211583A (en) * | 1961-09-19 | 1965-10-12 | Melpar Inc | Pyrolytic deposition of germanium |
US3170825A (en) * | 1961-10-02 | 1965-02-23 | Merck & Co Inc | Delaying the introduction of impurities when vapor depositing an epitaxial layer on a highly doped substrate |
US3173802A (en) * | 1961-12-14 | 1965-03-16 | Bell Telephone Labor Inc | Process for controlling gas phase composition |
NL288035A (fr) * | 1962-01-24 | |||
US3152932A (en) * | 1962-01-29 | 1964-10-13 | Hughes Aircraft Co | Reduction in situ of a dipolar molecular gas adhering to a substrate |
US3178798A (en) * | 1962-05-09 | 1965-04-20 | Ibm | Vapor deposition process wherein the vapor contains both donor and acceptor impurities |
GB1053381A (fr) * | 1963-02-08 | |||
GB1093822A (en) * | 1963-07-18 | 1967-12-06 | Plessey Uk Ltd | Improvements in or relating to the manufacture of semiconductor devices |
US3355318A (en) * | 1963-09-26 | 1967-11-28 | Union Carbide Corp | Gas plating metal deposits comprising boron |
US3206339A (en) * | 1963-09-30 | 1965-09-14 | Philco Corp | Method of growing geometricallydefined epitaxial layer without formation of undesirable crystallites |
DE1286512B (de) * | 1963-10-08 | 1969-01-09 | Siemens Ag | Verfahren zur Herstellung von insbesondere stabfoermigen Halbleiterkristallen mit ueber den ganzen Kristall homogener oder annaehernd homogener Dotierung |
DE1245335B (de) * | 1964-06-26 | 1967-07-27 | Siemens Ag | Verfahren zur Herstellung einkristalliner, homogen bordotierter, insbesondere aus Silicium oder Germanium bestehender Aufwachsschichten auf einkristallinen Grundkoerpern |
DE1276606B (de) * | 1965-06-28 | 1968-09-05 | Siemens Ag | Verfahren zum Herstellen einkristalliner dotierter Schichten aus Halbleitermaterial durch epitaktisches Aufwachsen |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1774410A (en) * | 1925-10-05 | 1930-08-26 | Philips Nv | Process of precipitating boron |
US1964322A (en) * | 1930-11-07 | 1934-06-26 | Corning Glass Works | Electrically conducting coating on vitreous substances and method of producing it |
DE617071C (de) * | 1931-09-11 | 1935-08-12 | Aeg | Verfahren und Einrichtung zur Herstellung von Selenzellen |
NL49864C (fr) * | 1935-06-22 | |||
AT155712B (de) * | 1936-06-20 | 1939-03-10 | Aeg | Verfahren zur Herstellung von Halbleiterüberzügen. |
US2217205A (en) * | 1937-08-26 | 1940-10-08 | Bell Telephone Labor Inc | Photoelectric tube |
US2313410A (en) * | 1939-03-31 | 1943-03-09 | Bell Telephone Labor Inc | Preparation of boron compositions |
US2501051A (en) * | 1943-02-11 | 1950-03-21 | Duriron Co | Siliconizing processes |
BE472806A (fr) * | 1943-08-21 | |||
US2467734A (en) * | 1945-04-12 | 1949-04-19 | Farnsworth Res Corp | Shading compensating mosaic screen electrode |
US2484519A (en) * | 1946-01-15 | 1949-10-11 | Martin Graham Robert | Method of coating surfaces with boron |
US2556711A (en) * | 1947-10-29 | 1951-06-12 | Bell Telephone Labor Inc | Method of producing rectifiers and rectifier material |
US2552626A (en) * | 1948-02-17 | 1951-05-15 | Bell Telephone Labor Inc | Silicon-germanium resistor and method of making it |
-
0
- DE DENDAT883784D patent/DE883784C/de not_active Expired
-
1950
- 1950-04-05 GB GB8663/50A patent/GB682105A/en not_active Expired
- 1950-04-05 US US154064A patent/US2701216A/en not_active Expired - Lifetime
- 1950-04-06 FR FR1107452D patent/FR1107452A/fr not_active Expired
- 1950-04-06 CH CH294487D patent/CH294487A/de unknown
Also Published As
Publication number | Publication date |
---|---|
CH294487A (de) | 1953-11-15 |
US2701216A (en) | 1955-02-01 |
DE883784C (de) | 1953-06-03 |
GB682105A (en) | 1952-11-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1107452A (fr) | Procédés pour la réalisation de contacts redresseurs et d'amplificateurs à cristaux | |
FR1072304A (fr) | Perfectionnements apportés aux procédés pour la préparation d'agents tensioactifs | |
FR61817E (fr) | Perfectionnements à l'étirage des matières thermoplastiques | |
FR987303A (fr) | Guides d'ondes électromagnétiques | |
FR1049725A (fr) | Matériel pour photo-tirages | |
FR1001737A (fr) | Perfectionnement aux procédés photographiques d'inversion | |
FR1088655A (fr) | Machine à étirer pour la réduction de l'épaisseur de pièces de section rectangulaire | |
FR1043017A (fr) | Perfectionnement apporté aux machines destinées à la fabrication des rubans de cardes | |
FR1019927A (fr) | Perfectionnements apportés aux procédés pour la préparation d'antibiotiques | |
FR1031930A (fr) | Pince perfectionnée pour l'habillement et l'orthopédie | |
FR994727A (fr) | Jauge magnétique d'écartement | |
FR1024736A (fr) | Palier pour mobile d'horlogerie | |
FR1012070A (fr) | Dispositif pour le réglage de la tension des chaînes à mortaiser | |
FR1059144A (fr) | Dispositif permettant des déplacements égaux et simultanés des galets ou rouleaux d'entraînement de fils ou bandes métalliques | |
FR1037752A (fr) | Pince à épiler en tôle d'acier emboutie | |
FR1061274A (fr) | Procédés pour la réalisation d'appareils électriques | |
FR1037580A (fr) | Perfectionnement à l'enroulement de films | |
FR1010686A (fr) | Perfectionnements à la fabrication des caractères d'imprimerie pour affiches | |
FR975314A (fr) | Tireuse d'épreuves photographiques | |
FR1023294A (fr) | Perfectionnements aux procédés de préparation d'aryltrichlorosilanes | |
FR1046208A (fr) | Normalisateur d'arrêts pour métiers à tisser | |
FR967794A (fr) | Dispositif d'arrêt pour métiers à tisser | |
FR984090A (fr) | Procédés et matériels pour la fabrication des fromages | |
FR59417E (fr) | Procédés et matériels pour la fabrication des fromages | |
FR1038549A (fr) | Taie d'oreiller |