FR1424008A - Procédé d'enregistrement d'informations au moyen d'un matériel sensible à la chaleur et à la pression - Google Patents
Procédé d'enregistrement d'informations au moyen d'un matériel sensible à la chaleur et à la pressionInfo
- Publication number
- FR1424008A FR1424008A FR997423A FR997423A FR1424008A FR 1424008 A FR1424008 A FR 1424008A FR 997423 A FR997423 A FR 997423A FR 997423 A FR997423 A FR 997423A FR 1424008 A FR1424008 A FR 1424008A
- Authority
- FR
- France
- Prior art keywords
- heat
- pressure sensitive
- sensitive material
- recording information
- recording
- 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
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
- G03C8/42—Structural details
- G03C8/52—Bases or auxiliary layers; Substances therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/055—Thermographic processes for producing printing formes, e.g. with a thermal print head
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/36—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using a polymeric layer, which may be particulate and which is deformed or structurally changed with modification of its' properties, e.g. of its' optical hydrophobic-hydrophilic, solubility or permeability properties
- B41M5/366—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using a polymeric layer, which may be particulate and which is deformed or structurally changed with modification of its' properties, e.g. of its' optical hydrophobic-hydrophilic, solubility or permeability properties using materials comprising a polymeric matrix containing a polymeric particulate material, e.g. hydrophobic heat coalescing particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N1/00—Printing plates or foils; Materials therefor
- B41N1/24—Stencils; Stencil materials; Carriers therefor
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/18—Diazo-type processes, e.g. thermal development, or agents therefor
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/06—Silver salts
- G03F7/07—Silver salts used for diffusion transfer
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G13/00—Electrographic processes using a charge pattern
- G03G13/26—Electrographic processes using a charge pattern for the production of printing plates for non-xerographic printing processes
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
- G03G5/02—Charge-receiving layers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/23—Reproducing arrangements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0002—Apparatus or processes for manufacturing printed circuits for manufacturing artworks for printed circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/05—Patterning and lithography; Masks; Details of resist
- H05K2203/0548—Masks
- H05K2203/056—Using an artwork, i.e. a photomask for exposing photosensitive layers
-
- 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
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/165—Thermal imaging composition
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR997423A FR1424008A (fr) | 1963-12-05 | 1964-12-04 | Procédé d'enregistrement d'informations au moyen d'un matériel sensible à la chaleur et à la pression |
NL6414226A NL6414226A (fr) | 1963-12-05 | 1964-12-07 | |
US421861A US3476937A (en) | 1963-12-05 | 1964-12-29 | Thermographic recording method employing a recording material comprising a uniform layer of discrete hydrophobic thermoplastic polymer particles |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4812863A GB1139891A (en) | 1963-12-05 | 1963-12-05 | Heat and pressure-sensitive recording and information-recording processes |
GB4308863 | 1963-12-05 | ||
GB1428563 | 1963-12-05 | ||
FR997423A FR1424008A (fr) | 1963-12-05 | 1964-12-04 | Procédé d'enregistrement d'informations au moyen d'un matériel sensible à la chaleur et à la pression |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1424008A true FR1424008A (fr) | 1966-01-07 |
Family
ID=27445899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR997423A Expired FR1424008A (fr) | 1963-12-05 | 1964-12-04 | Procédé d'enregistrement d'informations au moyen d'un matériel sensible à la chaleur et à la pression |
Country Status (3)
Country | Link |
---|---|
US (1) | US3476937A (fr) |
FR (1) | FR1424008A (fr) |
NL (1) | NL6414226A (fr) |
Families Citing this family (82)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1251774B (fr) * | 1964-10-02 | |||
GB1160221A (en) * | 1965-05-17 | 1969-08-06 | Agfa Gevaert Nv | Photothermographic Materials and Processes |
US4004924A (en) * | 1965-05-17 | 1977-01-25 | Agfa-Gevaert N.V. | Thermorecording |
GB1208413A (en) * | 1966-10-24 | 1970-10-14 | Agfa Gevaert Nv | Preparation and use of planographic printing masters |
GB1208414A (en) * | 1966-10-24 | 1970-10-14 | Agfa Gevaert Nv | Improvements relating to thermo recording |
GB1231183A (fr) * | 1967-05-12 | 1971-05-12 | ||
US3642475A (en) * | 1967-10-02 | 1972-02-15 | Agfa Gevaert Nv | Method of recording and reproducing information |
GB1265322A (fr) * | 1968-04-24 | 1972-03-01 | ||
US3619345A (en) * | 1968-06-28 | 1971-11-09 | Ricoh Kk | Heat-sensitive stencil paper |
DE2049019A1 (de) * | 1970-09-25 | 1972-03-30 | Ritzerfeld Gerhard | Verfahren zur Bilderzeugung auf einer lithographischen Druckformfohe |
US3869307A (en) * | 1972-10-04 | 1975-03-04 | Sharkey Melvin | Receptive copy sheets and process |
US4123309A (en) * | 1973-11-29 | 1978-10-31 | Minnesota Mining And Manufacturing Company | Transfer letter system |
US3912844A (en) * | 1973-06-01 | 1975-10-14 | Canon Kk | Thermal recording method |
US3982940A (en) * | 1973-10-05 | 1976-09-28 | Canon Kabushiki Kaisha | Process for the formation of images |
US3935362A (en) * | 1973-10-25 | 1976-01-27 | Bell & Howell Company | Image control means and structured transfer sheet for thermal reproduction processes |
US4140907A (en) * | 1976-07-29 | 1979-02-20 | Nippon Telegraph And Telephone Public Corporation | Thermal-plain paper recording system |
FR2368779A1 (fr) * | 1976-10-22 | 1978-05-19 | Thomson Brandt | Support thermosensible destine a l'enregistrement d'information et procede d'enregistrement d'information sur un tel support |
US4541340A (en) * | 1982-07-02 | 1985-09-17 | Markem Corporation | Process for forming permanent images using carrier supported inks containing sublimable dyes |
US4568621A (en) * | 1983-02-28 | 1986-02-04 | International Business Machines Corporation | Thermal transfer printing processes with electroerosion and materials therefor |
JPS61145544A (ja) * | 1984-12-19 | 1986-07-03 | Fuji Photo Film Co Ltd | 写真材料 |
US5292556A (en) * | 1992-12-22 | 1994-03-08 | E. I. Du Pont De Nemours And Company | Method for preparing negative-working wash-off relief images |
EP0755803B1 (fr) * | 1995-02-14 | 2001-07-25 | Toray Industries, Inc. | Plaque offset |
US6001536A (en) * | 1995-10-24 | 1999-12-14 | Agfa-Gevaert, N.V. | Method for making a lithographic printing plate involving development by plain water |
EP0773112B1 (fr) | 1995-11-09 | 2001-05-30 | Agfa-Gevaert N.V. | Elément d'enregistrement thermosensible et méthode pour la fabrication d'un cliché pour l'imprimerie utilisant cet élément |
US6391516B1 (en) * | 1995-11-09 | 2002-05-21 | Agfa-Gevaert | Heat sensitive imaging element and method for making a printing plate therewith |
EP0773113B1 (fr) | 1995-11-09 | 2000-05-24 | Agfa-Gevaert N.V. | Elément d'enregistrement thermosensible et méthode pour la fabrication d'un cliché lithographique utilisant cet élément |
EP0774364B1 (fr) * | 1995-11-16 | 2000-10-11 | Agfa-Gevaert N.V. | Procédé pour la fabrication d'une plaque lithographique par échauffement selon une image d'un élément pour l'enregistrement de l'image avec une tête thermique |
US5816162A (en) * | 1995-11-16 | 1998-10-06 | Agfa-Gevaert, N.V. | Method for making a lithographic printing plate by image-wise heating an imaging element using a thermal head |
EP0800928B1 (fr) | 1996-04-09 | 1999-07-28 | Agfa-Gevaert N.V. | Elément d'enregistrement thermosensible et procédé pour la fabrication de plaques lithographiques utilisant cet élément |
EP0839648A1 (fr) * | 1996-10-29 | 1998-05-06 | Agfa-Gevaert N.V. | Procédé de fabrication de plaques d'impression lithographiques permettant l'utilisation d'un laser à puissance d'écriture inférieure |
US6033824A (en) * | 1996-11-04 | 2000-03-07 | Foto-Wear, Inc. | Silver halide photographic material and method of applying a photographic image to a receptor element |
EP0846571B1 (fr) | 1996-12-04 | 2001-04-11 | Agfa-Gevaert N.V. | Procédé pour la formation d'une image améliorée par voie thermique |
US6427595B1 (en) * | 1996-12-19 | 2002-08-06 | Agfa-Gevaert | Heat-sensitive imaging element for making lithographic printing plates comprising polymer particles with a specific particle size |
EP0849091B1 (fr) | 1996-12-19 | 2001-03-21 | Agfa-Gevaert N.V. | Elément sensible à la chaleur formateur d'image pour la fabrication de plaques d'impression lithographiques comprenant des particules de polymère avec une dimension de particule spécifique |
EP0849090A3 (fr) | 1996-12-19 | 1998-07-01 | Agfa-Gevaert N.V. | Elément thermosensible formateur d'image pour la préparation de plaques d'impression lithographiques présentant des propriétés améliorées de transport |
US6090524A (en) * | 1997-03-13 | 2000-07-18 | Kodak Polychrome Graphics Llc | Lithographic printing plates comprising a photothermal conversion material |
US6136508A (en) * | 1997-03-13 | 2000-10-24 | Kodak Polychrome Graphics Llc | Lithographic printing plates with a sol-gel layer |
US6110645A (en) * | 1997-03-13 | 2000-08-29 | Kodak Polychrome Graphics Llc | Method of imaging lithographic printing plates with high intensity laser |
US5962188A (en) * | 1997-06-24 | 1999-10-05 | Kodak Polychrome Graphics Llc | Direct write lithographic printing plates |
US6014930A (en) * | 1997-07-25 | 2000-01-18 | Kodak Polychrome Graphics Llc | Single layer direct write lithographic printing plates |
US5981151A (en) * | 1997-08-01 | 1999-11-09 | Agfa-Gevaert, N.V. | Photothermographic material and a method for producing lithographic plates therewith |
EP0895122B1 (fr) * | 1997-08-01 | 2003-12-17 | Agfa-Gevaert | Matériau photothermographique et procédé pour la production d'une plaque lithographique utilisant ce matériau |
US6030765A (en) * | 1997-09-17 | 2000-02-29 | Agfa-Gevaert | Thermographic recording material coatable with improved stability |
EP0903622B1 (fr) * | 1997-09-17 | 2003-03-26 | Agfa-Gevaert | Matériau d'enregistrement (photo)thermographique |
US6207348B1 (en) | 1997-10-14 | 2001-03-27 | Kodak Polychrome Graphics Llc | Dimensionally stable lithographic printing plates with a sol-gel layer |
US6653042B1 (en) * | 1999-06-04 | 2003-11-25 | Fuji Photo Film Co., Ltd. | Lithographic printing plate precursor, method for producing the same, and method of lithographic printing |
US6550387B1 (en) * | 1999-08-31 | 2003-04-22 | Agfa-Gevaert | Processless thermal printing plate with well defined nanostructure |
JP2001166462A (ja) | 1999-12-10 | 2001-06-22 | Fuji Photo Film Co Ltd | 平版印刷版原版 |
EP1277594B1 (fr) | 2000-04-28 | 2005-04-06 | Mitsui Chemicals, Inc. | Plaque d'impression lithographique |
US6605407B2 (en) | 2000-12-26 | 2003-08-12 | Creo Inc. | Thermally convertible lithographic printing precursor |
US20020155374A1 (en) | 2001-02-20 | 2002-10-24 | Yisong Yu | Thermally convertible lithographic printing precursor comprising an organic base |
US20020187428A1 (en) | 2001-02-20 | 2002-12-12 | Keith Christall | Method for obtaining a lithographic printing surface using an organic base |
US20030017413A1 (en) | 2001-07-23 | 2003-01-23 | Goodin Jonathan William | Thermally convertible lithographic printing precursor comprising a metal complex |
US20030017417A1 (en) | 2001-07-23 | 2003-01-23 | Goodin Jonathan William | Method for obtaining a lithographic printing surface using a metal complex |
US20030017416A1 (en) | 2001-07-23 | 2003-01-23 | John Emans | Method for obtaining a lithographic printing surface using organic acid |
US20030017410A1 (en) | 2001-07-23 | 2003-01-23 | John Emans | Thermally convertible lithographic printing precursor comprising an organic acid |
US6589710B2 (en) | 2000-12-26 | 2003-07-08 | Creo Inc. | Method for obtaining a lithographic printing surface |
EP1219668B1 (fr) * | 2000-12-28 | 2005-10-26 | Fuji Photo Film Co., Ltd. | Procédé pour la production de particles fines de polymères et plaque lithographique les contenant |
WO2003010006A1 (fr) | 2001-07-23 | 2003-02-06 | Creo Inc. | Precurseur d'impression lithographique convertible en chaleur et support imageable contenant un inhibiteur de coalescence |
US6790809B2 (en) * | 2001-08-21 | 2004-09-14 | Fuji Photo Film Co., Ltd. | Heat-responsive-discoloring coloring composition, heat-responsive-discoloring coloring element comprising same and method for detecting thermal history of article |
JP2003154624A (ja) | 2001-11-20 | 2003-05-27 | Fuji Photo Film Co Ltd | 平版印刷版用原板の印刷機上現像方法 |
US6960423B2 (en) * | 2001-12-26 | 2005-11-01 | Creo Inc. | Preparation of gravure and intaglio printing elements using direct thermally imageable media |
US20030148684A1 (en) * | 2002-01-30 | 2003-08-07 | The Procter & Gamble Company | Method for hydrophilizing materials using charged particles |
US6749993B2 (en) * | 2002-02-06 | 2004-06-15 | Konica Corporation | Planographic printing precursor and printing method employing the same |
DE60224642T2 (de) | 2002-04-26 | 2009-01-15 | Agfa Graphics N.V. | Negativ-arbeitender thermischer Flachdruckplattenvorläufer, der einen Aluminiumträger mit einer glatten Oberfläche enthält |
US7380500B2 (en) * | 2002-10-31 | 2008-06-03 | Agfa-Gevaert | Process for the offset printing of patterns via the fountain medium |
EP1415826B1 (fr) | 2002-10-31 | 2008-10-01 | Agfa-Gevaert | Procédé d'impression offset de motifs via la solution de mouillage |
US20050235852A1 (en) * | 2002-10-31 | 2005-10-27 | Agfa-Gevaert N.V. | Process for the offset printing of functional patterns |
US6924080B2 (en) * | 2003-05-27 | 2005-08-02 | Kodak Polychrome Graphics Llc | Thermally sensitive compositions containing cyanoacrylate polymers |
US6821709B1 (en) | 2003-05-27 | 2004-11-23 | Kodak Polychrome Graphics Llc | Top coat layer for thermally sensitive printing plates |
US7348126B2 (en) * | 2004-04-27 | 2008-03-25 | Agfa Graphics N.V. | Negative working, heat-sensitive lithographic printing plate precursor |
US7354696B2 (en) * | 2004-07-08 | 2008-04-08 | Agfa Graphics Nv | Method for making a lithographic printing plate |
US7195861B2 (en) | 2004-07-08 | 2007-03-27 | Agfa-Gevaert | Method for making a negative working, heat-sensitive lithographic printing plate precursor |
US7425405B2 (en) * | 2004-07-08 | 2008-09-16 | Agfa Graphics, N.V. | Method for making a lithographic printing plate |
CN101952247B (zh) | 2007-12-20 | 2015-08-19 | 爱克发印艺公司 | 用于制备中位取代的花菁染料、份菁染料和氧杂菁染料的中间体化合物 |
ATE481240T1 (de) | 2008-02-28 | 2010-10-15 | Agfa Graphics Nv | Verfahren zur herstellung einer lithografiedruckplatte |
CN102245692B (zh) | 2008-12-18 | 2014-02-26 | 爱克发印艺公司 | 平版印刷版前体 |
US8883401B2 (en) | 2009-09-24 | 2014-11-11 | Fujifilm Corporation | Lithographic printing original plate |
CN102946832B (zh) * | 2010-06-18 | 2015-08-19 | 花王株式会社 | 发热器 |
EP3239184A1 (fr) | 2016-04-25 | 2017-11-01 | Agfa Graphics NV | Particules de polymère thermoplastique et précurseur de plaque d'impression lithographique |
EP3715140A1 (fr) | 2019-03-29 | 2020-09-30 | Agfa Nv | Procédé d'impression |
CN116531183B (zh) * | 2023-05-16 | 2023-11-03 | 广东美登新材料科技有限公司 | 一种卫生用品的3d复合芯体及其制备方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2240031A (en) * | 1939-03-06 | 1941-04-29 | Ditto Inc | Transfer process and copy paper for use therein |
US2699113A (en) * | 1950-08-08 | 1955-01-11 | Dick Co Ab | Method of manufacturing stencils |
US2808777A (en) * | 1952-02-26 | 1957-10-08 | Dick Co Ab | Method for manufacturing duplicating masters |
US3100702A (en) * | 1960-03-30 | 1963-08-13 | Eastman Kodak Co | Dry processed photothermographic printing plate and process |
US3131628A (en) * | 1961-10-10 | 1964-05-05 | Anken Chemical & Film Corp | Diffusion transfer thermographic stencil and process |
US3207602A (en) * | 1961-12-29 | 1965-09-21 | Minnesota Mining & Mfg | Copysheet and method for making copies therefrom |
BE638613A (fr) * | 1962-10-16 |
-
1964
- 1964-12-04 FR FR997423A patent/FR1424008A/fr not_active Expired
- 1964-12-07 NL NL6414226A patent/NL6414226A/xx unknown
- 1964-12-29 US US421861A patent/US3476937A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3476937A (en) | 1969-11-04 |
NL6414226A (fr) | 1965-05-25 |
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