NL173442C - Verbindingselement voor het verbinden van optische vezels. - Google Patents
Verbindingselement voor het verbinden van optische vezels.Info
- Publication number
- NL173442C NL173442C NLAANVRAGE7612440,A NL7612440A NL173442C NL 173442 C NL173442 C NL 173442C NL 7612440 A NL7612440 A NL 7612440A NL 173442 C NL173442 C NL 173442C
- Authority
- NL
- Netherlands
- Prior art keywords
- optical fibers
- connecting element
- connecting optical
- fibers
- optical
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3882—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using rods, pins or balls to align a pair of ferrule ends
- G02B6/3883—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using rods, pins or balls to align a pair of ferrule ends using rods, pins or balls to align a plurality of pairs of ferrule ends
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3818—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type
- G02B6/382—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type with index-matching medium between light guides
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3847—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3847—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
- G02B6/3849—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces using mechanical protective elements, e.g. caps, hoods, sealing membranes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3865—Details of mounting fibres in ferrules; Assembly methods; Manufacture fabricated by using moulding techniques
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3869—Mounting ferrules to connector body, i.e. plugs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3874—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules
- G02B6/3878—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules comprising a plurality of ferrules, branching and break-out means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3855—Details of mounting fibres in ferrules; Assembly methods; Manufacture characterised by the method of anchoring or fixing the fibre within the ferrule
- G02B6/3861—Adhesive bonding
-
- 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
- Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
- Y10S425/808—Lens mold
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Optical Couplings Of Light Guides (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US63093075A | 1975-11-11 | 1975-11-11 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7612440A NL7612440A (nl) | 1977-05-13 |
NL173442B NL173442B (nl) | 1983-08-16 |
NL173442C true NL173442C (nl) | 1984-01-16 |
Family
ID=24529155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7612440,A NL173442C (nl) | 1975-11-11 | 1976-11-09 | Verbindingselement voor het verbinden van optische vezels. |
Country Status (13)
Country | Link |
---|---|
US (1) | US4107242A (nl) |
JP (2) | JPS6058447B2 (nl) |
AU (1) | AU506531B2 (nl) |
BE (1) | BE848029A (nl) |
CA (1) | CA1094369A (nl) |
CH (1) | CH600357A5 (nl) |
DE (1) | DE2648652C3 (nl) |
ES (1) | ES453200A1 (nl) |
FR (1) | FR2331804A1 (nl) |
GB (1) | GB1534327A (nl) |
IT (1) | IT1071836B (nl) |
NL (1) | NL173442C (nl) |
SE (1) | SE425194B (nl) |
Families Citing this family (73)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4512630A (en) * | 1975-11-11 | 1985-04-23 | At&T Bell Laboratories | Optical fiber connector |
IT1091831B (it) * | 1977-01-10 | 1985-07-06 | Du Pont | Connettore a fibre ottiche |
FR2386060A1 (fr) * | 1977-03-28 | 1978-10-27 | Connexion Ste Nle | Connecteur a tampon interfacial en elastomere pour conducteurs optiques |
US4173389A (en) * | 1977-09-28 | 1979-11-06 | Bell Telephone Laboratories, Incorporated | Molded optical fiber connector |
US4190317A (en) * | 1977-12-30 | 1980-02-26 | Bunker Ramo Corporation | Fiber optic cable connector pin assembly |
US4190316A (en) * | 1978-02-02 | 1980-02-26 | The Deutsch Company | Lens connector for optical fibers |
US4186998A (en) * | 1978-06-14 | 1980-02-05 | The Deutsch Company Electronic Components Division | Optical interconnecting device having tapered surfaces |
US4261638A (en) * | 1978-10-02 | 1981-04-14 | Bell Laboratories | Optical switch with rotating, reflective, concave surface |
JPS55106410A (en) * | 1979-02-09 | 1980-08-15 | Nippon Telegr & Teleph Corp <Ntt> | Terminal structure of optical fiber connector |
SE426882B (sv) * | 1979-02-16 | 1983-02-14 | Stratos Ab | Sett och anordning for forbindning av optiska fibrer |
DE2906104C3 (de) * | 1979-02-17 | 1981-11-26 | Harting Elektronik Gmbh, 4992 Espelkamp | Vorrichtung zum Kopppeln zweier Lichtwellenleiter |
GB2048510B (en) * | 1979-05-08 | 1983-01-26 | Cannon Electric Great Britain | Hermaphroditic connector |
US4221461A (en) * | 1979-05-17 | 1980-09-09 | Bell Telephone Laboratories, Incorporated | Fiber connector gap material |
US4264128A (en) * | 1979-11-21 | 1981-04-28 | Bell Telephone Laboratories, Incorporated | Molded optical fiber connectors |
US4292260A (en) * | 1980-09-22 | 1981-09-29 | Bell Telephone Laboratories, Incorporated | Molding optical fiber connectors |
US4484796A (en) * | 1980-11-11 | 1984-11-27 | Hitachi, Ltd. | Optical fiber connector |
US4383736A (en) * | 1980-11-24 | 1983-05-17 | The United States Of America As Represented By The Secretary Of The Navy | Pressure formed fiber optic connector |
GB2097021B (en) * | 1981-04-22 | 1984-02-22 | Nippon Telegraph & Telephone | Method for production of optical fiber connectors |
JPS57175110U (nl) * | 1981-04-30 | 1982-11-05 | ||
DE3118489A1 (de) * | 1981-05-09 | 1982-11-25 | Bunker Ramo Corp., 60521 Oak Brook, Ill. | Verbinder fuer lichtwellenleiter |
AU534194B2 (en) * | 1981-05-20 | 1984-01-12 | Thomas & Betts Corporation | A coupling method and arrangement for fiber optic device |
JPS57187420U (nl) * | 1981-05-22 | 1982-11-27 | ||
DE3138290A1 (de) * | 1981-09-25 | 1983-04-07 | Bunker Ramo Corp., 60521 Oak Brook, Ill. | Halterungselement, insbesondere fuehrungskoerper fuer einen lichtwellenleiter |
US4394061A (en) * | 1982-01-22 | 1983-07-19 | Gte Automatic Electric Incorporated | Apparatus for aligning an optical fiber in an LED package |
US4479698A (en) * | 1982-05-17 | 1984-10-30 | Rca Corporation | Light emitting assembly and a method of making same |
US4424174A (en) * | 1982-06-18 | 1984-01-03 | Bell Telephone Laboratories, Incorporated | Fabrication of optical connectors |
FR2529348A1 (fr) * | 1982-06-25 | 1983-12-30 | Thomson Csf Mat Tel | Matrice de moulage pour terminaisons de fibres optiques |
US4784811A (en) * | 1982-09-30 | 1988-11-15 | The Regents Of The University Of California | Method of constructing improved pressure-sensitive optrode |
US4689184A (en) * | 1982-11-02 | 1987-08-25 | Polaroid Corporation | Method for forming an optical connector |
US4531702A (en) * | 1982-11-02 | 1985-07-30 | Polaroid Corporation | Injection mold for forming optical fiber connector |
US4541685A (en) * | 1983-03-07 | 1985-09-17 | At&T Bell Laboratories | Optical connector sleeve |
US4581529A (en) * | 1983-08-15 | 1986-04-08 | At&T Bell Laboratories | Read/write system for optical disc apparatus with fiber optics |
US4644342A (en) * | 1984-03-29 | 1987-02-17 | Eastman Kodak Company | Array of light emitting diodes for producing gray scale light images |
US4634214A (en) * | 1984-06-22 | 1987-01-06 | At&T Bell Laboratories | Optical fiber connector and article comprising same |
US4914866A (en) * | 1984-11-29 | 1990-04-10 | American Telephone And Telegraph Co. | Apparatus for adjusting optical fiber connector components |
US4738055A (en) * | 1984-11-29 | 1988-04-19 | American Telephone And Telegraph Company, At&T Bell Laboratories | Methods of adjusting optical fiber connector components |
US4787698A (en) * | 1985-11-27 | 1988-11-29 | American Telephone And Telegraph Co., At&T Bell Labs | Methods of and apparatus for reconfiguring optical fiber connector components and products produced thereby |
US4714317A (en) * | 1986-04-14 | 1987-12-22 | Siecor Corporation | Biconic optical fiber connector/attenuator |
FR2612302B1 (fr) * | 1987-03-11 | 1991-06-07 | Telecommunications Sa | Dispositif d'assemblage de fibres optiques |
US4815809A (en) * | 1987-07-31 | 1989-03-28 | Robert M. Rodrick | Method and apparatus for terminating an optical fiber |
US4907852A (en) * | 1988-02-05 | 1990-03-13 | Tokai Rubber Industries, Ltd. | Optical fiber connector and method for producing the same |
US5013495A (en) * | 1988-02-05 | 1991-05-07 | Tokai Rubber Industries, Ltd. | Method of producing optical fiber connectors |
US4834487A (en) * | 1988-09-29 | 1989-05-30 | Amp Incorporated | Optical connector with plastic alignment ferrule |
US4929046A (en) * | 1989-02-01 | 1990-05-29 | Barlow Robert W | Remateable fiber optic splice |
US4911518A (en) * | 1989-03-09 | 1990-03-27 | Amp Incorporated | Threaded front end connector for optical fiber and method of making same |
US4938558A (en) * | 1989-03-09 | 1990-07-03 | Amp Incorporated | Fused connector for optical fiber |
US5088804A (en) * | 1989-07-12 | 1992-02-18 | Optical Fiber Technologies, Inc. | Method and apparatus for terminating a fiber-optic cable without adhesive |
DE3925535C1 (en) * | 1989-08-02 | 1991-01-17 | Ant Nachrichtentechnik Gmbh, 7150 Backnang, De | Light-wave conductor coupling e.g. for railway tracks - has gap between 2 conductors not so narrow that it causes capillary effect when water gets into it |
US5005941A (en) * | 1989-09-05 | 1991-04-09 | Gte Products Corporation | Fiber optic splice assembly |
US5208887A (en) * | 1990-01-22 | 1993-05-04 | Amp Incorporated | Method and apparatus for terminating a fiber-optic cable without adhesive |
US5039456A (en) * | 1990-03-23 | 1991-08-13 | Amp Incorporated | Method of molding an optical simulator |
US5104623A (en) * | 1990-04-03 | 1992-04-14 | Minnesota Mining And Manufacturing Company | Apparatus and assembly for use in optically sensing a compositional blood parameter |
US5151960A (en) * | 1991-04-08 | 1992-09-29 | Amp Incorporated | Unitary optical fiber connector |
SE470169B (sv) * | 1992-04-27 | 1993-11-22 | Ericsson Telefon Ab L M | Gjutform för gjutning av ferruler |
US5216734A (en) * | 1992-06-12 | 1993-06-01 | Amp Incorporated | Fiber optic connector having low cost ferrule |
JP2565279B2 (ja) * | 1992-09-25 | 1996-12-18 | 日本電気株式会社 | 光結合構造 |
DE4232608C2 (de) * | 1992-09-29 | 1994-10-06 | Bosch Gmbh Robert | Verfahren zum Herstellen eines Deckels für eine integriert optische Schaltung |
US5333223A (en) * | 1993-04-13 | 1994-07-26 | Methode Electronics, Inc. | Plastic fiber alignment ferrule with polishing pedestal |
SE9301859L (sv) * | 1993-06-01 | 1994-08-22 | Ericsson Telefon Ab L M | Anordning vid gjutform för optodon |
US5720907A (en) * | 1995-04-24 | 1998-02-24 | Lucent Technologies Inc. | Method for manufacturing an optical connector assembly |
DE19547523C1 (de) * | 1995-12-08 | 1997-05-07 | Siemens Ag | Verschlußteil |
DE19714969C1 (de) * | 1997-04-10 | 1999-02-04 | Siemens Ag | Stecker für Lichtwellenleiterkabel und Buchsenteil für solche Stecker |
GB2364265A (en) * | 2000-06-23 | 2002-01-23 | Pullen Lee Jason | Moulded article |
US6688780B2 (en) | 2002-02-07 | 2004-02-10 | Amphenol Corporation | Cantilevered shutter for optical adapter |
DE60203037T2 (de) * | 2002-10-29 | 2005-07-21 | Agilent Technologies, Inc. (n.d.Ges.d.Staates Delaware), Palo Alto | Endstück für einen optischen Wellenleiter |
JP2006184794A (ja) * | 2004-12-28 | 2006-07-13 | Sumitomo Electric Ind Ltd | 光コネクタ及びその組立方法 |
JP2009543119A (ja) * | 2006-06-30 | 2009-12-03 | モレックス インコーポレイテド | 光ファイバコネクタのファイバ端の高分子層及びこれに関連する方法 |
US8117725B2 (en) * | 2008-10-31 | 2012-02-21 | The Gillette Company | Method of manufacturing a plurality of molded components |
CN101995607B (zh) * | 2009-08-18 | 2012-12-19 | 鸿富锦精密工业(深圳)有限公司 | 光纤连接器及其成型方法 |
US8137001B2 (en) * | 2009-11-02 | 2012-03-20 | Harris Corporation | Repeatable optical waveguide interconnection including an index matching elastomeric solid layer and related methods |
US9977194B2 (en) * | 2011-11-15 | 2018-05-22 | Molex, Llc | Wide temperature range optical fiber connector with thermal expansion compensation |
US9028154B2 (en) * | 2013-02-01 | 2015-05-12 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Adapter for cleaning an optical junction and reducing optical back reflection |
DE102020117129A1 (de) | 2020-06-30 | 2021-12-30 | Scherdel Innotec Forschungs- Und Entwicklungs-Gmbh | Verbindungsbauteil, elektrisches System damit sowie Herstellungsverfahren dafür |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3455625A (en) * | 1966-06-23 | 1969-07-15 | Bausch & Lomb | Optical fiber bundle coupling system |
US3504984A (en) * | 1967-03-13 | 1970-04-07 | Stanley Works | Garment |
CA971013A (en) * | 1970-10-30 | 1975-07-15 | Carl C. Garland | Disposable surgical lighting pipe |
US3734594A (en) * | 1972-03-29 | 1973-05-22 | Bell Telephone Labor Inc | Optical fiber connector |
GB1434013A (en) * | 1972-04-27 | 1976-04-28 | Fields R E | Connectors for tubes or conduits |
JPS5611923B2 (nl) * | 1972-10-23 | 1981-03-18 | ||
GB1406277A (en) * | 1972-12-11 | 1975-09-17 | Plessey Co Ltd | Optical cable terminations and couplings |
GB1433755A (en) * | 1973-09-01 | 1976-04-28 | Plessey Co Ltd | In-line coupling of two lengths of linear optical waveguide elements |
GB1456395A (en) * | 1973-11-16 | 1976-11-24 | Bicc Ltd | Optical fibre connector |
JPS50104937A (nl) * | 1974-01-23 | 1975-08-19 | ||
US3963323A (en) * | 1974-12-23 | 1976-06-15 | International Telephone And Telegraph Corporation | Fiber optic connector with protective cable sleeves |
US3999837A (en) * | 1975-01-03 | 1976-12-28 | Amp Incorporated | Light transmitting fiber bundle connector |
US3984174A (en) * | 1975-04-28 | 1976-10-05 | International Telephone And Telegraph Corporation | Fiber optic connector with transparent cable sleeve |
US3995935A (en) * | 1975-04-28 | 1976-12-07 | International Telephone And Telegraph Corporation | Optical coupler |
JPS51147045U (nl) * | 1975-05-19 | 1976-11-25 | ||
JPS52434A (en) * | 1976-05-06 | 1977-01-05 | Int Standard Electric Corp | Method of forming trailing end of covered optical fiber |
-
1976
- 1976-08-31 CA CA260,272A patent/CA1094369A/en not_active Expired
- 1976-10-27 DE DE2648652A patent/DE2648652C3/de not_active Expired
- 1976-10-29 SE SE7612057A patent/SE425194B/xx not_active IP Right Cessation
- 1976-11-05 BE BE172107A patent/BE848029A/xx not_active IP Right Cessation
- 1976-11-05 FR FR7633431A patent/FR2331804A1/fr active Granted
- 1976-11-05 AU AU19353/76A patent/AU506531B2/en not_active Expired
- 1976-11-08 CH CH1405376A patent/CH600357A5/xx not_active IP Right Cessation
- 1976-11-09 GB GB46493/76A patent/GB1534327A/en not_active Expired
- 1976-11-09 NL NLAANVRAGE7612440,A patent/NL173442C/nl not_active IP Right Cessation
- 1976-11-10 IT IT69689/76A patent/IT1071836B/it active
- 1976-11-11 ES ES453200A patent/ES453200A1/es not_active Expired
- 1976-11-11 JP JP51134753A patent/JPS6058447B2/ja not_active Expired
-
1977
- 1977-04-21 US US05/789,549 patent/US4107242A/en not_active Expired - Lifetime
-
1982
- 1982-10-08 JP JP57176478A patent/JPS5882214A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
AU1935376A (en) | 1978-05-11 |
JPS5260638A (en) | 1977-05-19 |
FR2331804B1 (nl) | 1981-11-20 |
SE425194B (sv) | 1982-09-06 |
FR2331804A1 (fr) | 1977-06-10 |
IT1071836B (it) | 1985-04-10 |
US4107242A (en) | 1978-08-15 |
SE7612057L (sv) | 1977-05-12 |
NL173442B (nl) | 1983-08-16 |
JPS5882214A (ja) | 1983-05-17 |
AU506531B2 (en) | 1980-01-10 |
JPS6058447B2 (ja) | 1985-12-20 |
CH600357A5 (nl) | 1978-06-15 |
NL7612440A (nl) | 1977-05-13 |
DE2648652C3 (de) | 1981-01-15 |
ES453200A1 (es) | 1978-03-01 |
BE848029A (fr) | 1977-03-01 |
DE2648652B2 (de) | 1980-05-08 |
GB1534327A (en) | 1978-11-29 |
CA1094369A (en) | 1981-01-27 |
DE2648652A1 (de) | 1977-05-12 |
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