ES452942A1 - Procedimiento para la produccion de dihidrociclosporina c. - Google Patents

Procedimiento para la produccion de dihidrociclosporina c.

Info

Publication number
ES452942A1
ES452942A1 ES452942A ES452942A ES452942A1 ES 452942 A1 ES452942 A1 ES 452942A1 ES 452942 A ES452942 A ES 452942A ES 452942 A ES452942 A ES 452942A ES 452942 A1 ES452942 A1 ES 452942A1
Authority
ES
Spain
Prior art keywords
production
dihydrocyclosporine
procedure
formula
dihydrocyclosporin
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
Application number
ES452942A
Other languages
English (en)
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sandoz AG
Original Assignee
Sandoz AG
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 Sandoz AG filed Critical Sandoz AG
Publication of ES452942A1 publication Critical patent/ES452942A1/es
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • A61P37/02—Immunomodulators
    • A61P37/06—Immunosuppressants, e.g. drugs for graft rejection
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K7/00—Peptides having 5 to 20 amino acids in a fully defined sequence; Derivatives thereof
    • C07K7/64—Cyclic peptides containing only normal peptide links
    • C07K7/645—Cyclosporins; Related peptides
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/14—Fungi; Culture media therefor
    • C12N1/145—Fungal isolates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K38/00—Medicinal preparations containing peptides
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12R—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES C12C - C12Q, RELATING TO MICROORGANISMS
    • C12R2001/00—Microorganisms ; Processes using microorganisms
    • C12R2001/645—Fungi ; Processes using fungi
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12R—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES C12C - C12Q, RELATING TO MICROORGANISMS
    • C12R2001/00—Microorganisms ; Processes using microorganisms
    • C12R2001/645—Fungi ; Processes using fungi
    • C12R2001/885—Trichoderma
    • 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
    • Y10S930/00—Peptide or protein sequence
    • Y10S930/01—Peptide or protein sequence
    • Y10S930/27—Cyclic peptide or cyclic protein

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Genetics & Genomics (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Biotechnology (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Mycology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Molecular Biology (AREA)
  • Botany (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Virology (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Microbiology (AREA)
  • Public Health (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biophysics (AREA)
  • General Engineering & Computer Science (AREA)
  • Transplantation (AREA)
  • Rheumatology (AREA)
  • Pain & Pain Management (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Peptides Or Proteins (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
ES452942A 1975-11-04 1976-11-03 Procedimiento para la produccion de dihidrociclosporina c. Expired ES452942A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1419575A CH614931A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-11-04 1975-11-04

Publications (1)

Publication Number Publication Date
ES452942A1 true ES452942A1 (es) 1978-01-16

Family

ID=4398730

Family Applications (1)

Application Number Title Priority Date Filing Date
ES452942A Expired ES452942A1 (es) 1975-11-04 1976-11-03 Procedimiento para la produccion de dihidrociclosporina c.

Country Status (23)

Country Link
US (1) US4108985A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (2) JPS5259180A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) AT359642B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU513538B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE847941A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1087609A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (2) CH614931A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE2661031C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DK (1) DK148907C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES452942A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FI (1) FI60701C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (2) FR2330387A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (2) GB1567202A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IE (2) IE44749B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IL (1) IL50836A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7612026A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NO (1) NO763667L (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NZ (1) NZ182496A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
PH (1) PH14725A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
PT (1) PT65791B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (2) SE432247B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
YU (1) YU270076A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA766340B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2065273A1 (es) * 1993-05-25 1995-02-01 Biogal Gyogyszergyar Procedimiento para la purificacion de ciclosporina a.

Families Citing this family (71)

* Cited by examiner, † Cited by third party
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US4210581A (en) * 1975-11-04 1980-07-01 Sandoz Ltd. Organic compounds
DE2819094A1 (de) * 1977-05-10 1978-11-23 Sandoz Ag Cyclosporin-derivate, ihre verwendung und herstellung
FR2410658A1 (fr) * 1977-11-30 1979-06-29 Science Union & Cie Nouveau produit biologique d'origine fongique, son obtention et son application a la therapeutique
DE2907460A1 (de) * 1978-03-07 1979-09-13 Sandoz Ag Neue resorbierbare galenische kompositionen
SE448386B (sv) * 1978-10-18 1987-02-16 Sandoz Ag Nya cyklosporinderivat, forfarande for framstellning av dem samt farmaceutisk komposition innehallande dem
US4201771A (en) * 1979-03-12 1980-05-06 Merck & Co., Inc. Antibiotic A43F
JPS5665853A (en) * 1979-11-01 1981-06-03 Sankyo Co Ltd Mycoplanesin derivative and its preparation
US4396542A (en) * 1980-02-14 1983-08-02 Sandoz Ltd. Method for the total synthesis of cyclosporins, novel cyclosporins and novel intermediates and methods for their production
DE3167014D1 (en) * 1980-02-14 1984-12-13 Sandoz Ag A method for the total synthesis of cyclosporins and novel cyclosporins
US4370266A (en) * 1980-04-07 1983-01-25 Sankyo Company, Limited Mycoplanecin derivatives and their preparation
DE3260468D1 (en) * 1981-01-09 1984-09-06 Sandoz Ag Novel cyclosporins
US5639724A (en) 1984-07-24 1997-06-17 Sandoz Ltd. Cyclosporin galenic forms
GB8422253D0 (en) * 1984-09-04 1984-10-10 Sandoz Ltd Organic compounds
AU589917B2 (en) 1984-10-04 1989-10-26 Novartis Ag Monoclonal antibodies to cyclosporins
US4727035A (en) * 1984-11-14 1988-02-23 Mahoney Walter C Immunoassay for cyclosporin
US4764503A (en) * 1986-11-19 1988-08-16 Sandoz Ltd. Novel cyclosporins
US4798823A (en) * 1987-06-03 1989-01-17 Merck & Co., Inc. New cyclosporin analogs with modified "C-9 amino acids"
ES2059558T3 (es) * 1987-06-17 1994-11-16 Sandoz Ag Ciclosporins y su uso como productos farmaceuticos.
DE3888357T2 (de) * 1987-06-22 1994-09-15 Merck & Co Inc Cyclosporin-Derivate, die eine modifizierte Aminosäure auf Stellung 8 tragen.
GB8717300D0 (en) * 1987-07-22 1987-08-26 Nat Res Dev Cyclosporins
GB8717299D0 (en) * 1987-07-22 1987-08-26 Nat Res Dev Peptides
US5227467A (en) * 1987-08-03 1993-07-13 Merck & Co., Inc. Immunosuppressive fluorinated cyclosporin analogs
ATE109970T1 (de) * 1987-09-03 1994-09-15 Univ Georgia Res Found Cyclosporin-augenmittel.
US4839342A (en) * 1987-09-03 1989-06-13 University Of Georgia Research Foundation, Inc. Method of increasing tear production by topical administration of cyclosporin
US5236899A (en) * 1987-11-16 1993-08-17 Merck & Co., Inc. 6-position cyclosporin a analogs as modifiers of cytotoxic drug resistance
US4914188A (en) * 1987-11-16 1990-04-03 Merck & Co., Inc. Novel 6-position cyclosporin analogs as non-immunosuppressive antagonists of cyclosporin binding to cyclophilin
HU203564B (en) * 1987-12-21 1991-08-28 Sandoz Ag Process for producing new orthorombos cyclosporin without solvatation
US4943560A (en) * 1988-04-06 1990-07-24 Regents Of The University Of Minnesota Solvent system for chronic vascular infusion of hydrophobic drugs
US5342625A (en) * 1988-09-16 1994-08-30 Sandoz Ltd. Pharmaceutical compositions comprising cyclosporins
US7081445B2 (en) * 1989-02-20 2006-07-25 Novartis Ag Cyclosporin galenic forms
US5540931A (en) * 1989-03-03 1996-07-30 Charles W. Hewitt Methods for inducing site-specific immunosuppression and compositions of site specific immunosuppressants
US4996193A (en) * 1989-03-03 1991-02-26 The Regents Of The University Of California Combined topical and systemic method of administration of cyclosporine
GB8916901D0 (en) 1989-07-24 1989-09-06 Sandoz Ltd Improvements in or relating to organic compounds
US5122511A (en) * 1990-02-27 1992-06-16 Merck & Co., Inc. Immunosuppressive cyclosporin analogs with modified amino acids at position-8
DE69222150T2 (de) * 1991-01-25 1998-01-15 Fujisawa Pharmaceutical Co Prozess zur produktion von cyclosporin-a und/oder c
US5709797A (en) * 1996-06-05 1998-01-20 Poli Industria Chimica S.P.A. Method of isolating cyclosporins
HUP0001013A3 (en) 1997-01-30 2004-10-28 Novartis Ag Oil-free pharmaceutical compositions containing cyclosporin a
US6187747B1 (en) 1997-09-08 2001-02-13 Panacea Biotech Limited Pharmaceutical composition comprising cyclosporin
US6008191A (en) * 1997-09-08 1999-12-28 Panacea Biotec Limited Pharmaceutical compositions containing cyclosporin
US6346511B1 (en) 1997-09-08 2002-02-12 Panacea Biotec Limited Pharmaceutical composition comprising cyclosporin
IN188719B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1997-09-08 2002-11-02 Panacea Biotec Ltd
ATE423130T1 (de) 1997-10-08 2009-03-15 Isotechnika Inc Deuterierte cyclosporin-analoga und ihre verwendung als immunmodulierende agenzien
US20030220234A1 (en) * 1998-11-02 2003-11-27 Selvaraj Naicker Deuterated cyclosporine analogs and their use as immunodulating agents
CN1218958C (zh) 1998-07-01 2005-09-14 德比奥药物股份有限公司 活性范围改善的环孢菌素
MXPA04003623A (es) * 2001-10-19 2004-12-02 Isotechnika Inc Nuevas formulaciones analogas de ciclosporina.
DK1714977T3 (da) * 2001-10-19 2009-07-06 Isotechnika Inc Syntese af cyclosporinanaloger
EP1603512A2 (en) 2003-03-17 2005-12-14 Albany Molecular Research, Inc. Novel cyclosporins
US20060014677A1 (en) * 2004-07-19 2006-01-19 Isotechnika International Inc. Method for maximizing efficacy and predicting and minimizing toxicity of calcineurin inhibitor compounds
WO2006039164A2 (en) 2004-09-29 2006-04-13 Amr Technology, Inc. Novel cyclosporin analogues and their pharmaceutical uses
EP1809656A4 (en) 2004-09-29 2009-03-25 Amr Technology Inc CYCLOSPORINAL KINANALOGA AND ITS PHARMACEUTICAL APPLICATIONS
EP1812037A4 (en) 2004-10-06 2009-11-11 Amr Technology Inc ALKYNES OF CYCLOSPORINE AND THEIR USEFUL AS PHARMACEUTICAL AGENTS
US11311477B2 (en) 2006-03-07 2022-04-26 Sgn Nanopharma Inc. Ophthalmic preparations
US10137083B2 (en) 2006-03-07 2018-11-27 SGN Nanopharma Inc Ophthalmic preparations
US7696166B2 (en) 2006-03-28 2010-04-13 Albany Molecular Research, Inc. Use of cyclosporin alkyne/alkene analogues for preventing or treating viral-induced disorders
US7696165B2 (en) 2006-03-28 2010-04-13 Albany Molecular Research, Inc. Use of cyclosporin alkyne analogues for preventing or treating viral-induced disorders
WO2008036244A1 (en) * 2006-09-18 2008-03-27 The Burham Institute For Medical Research Use of cyclosporin a to sensitize resistant cancer cells to death receptor ligands
TW200932240A (en) 2007-10-25 2009-08-01 Astellas Pharma Inc Pharmaceutical composition containing lipophilic substance which inhibits IL-2 production
RU2492181C2 (ru) * 2009-01-30 2013-09-10 Энанта Фармасьютикалс, Инк. Аналоги циклоспорина для предупреждения или лечения инфекции гепатита с
US8481483B2 (en) * 2009-02-19 2013-07-09 Enanta Pharmaceuticals, Inc. Cyclosporin analogues
US8367053B2 (en) 2009-07-09 2013-02-05 Enanta Pharmaceuticals, Inc. Cyclosporin analogues
US8349312B2 (en) * 2009-07-09 2013-01-08 Enanta Pharmaceuticals, Inc. Proline substituted cyclosporin analogues
US8685917B2 (en) * 2009-07-09 2014-04-01 Enanta Pharmaceuticals, Inc. Cyclosporin analogues
US8623814B2 (en) * 2010-02-23 2014-01-07 Enanta Pharmaceuticals, Inc. Antiviral agents
CN103153329A (zh) 2010-07-16 2013-06-12 美国科技环球有限公司 新颖的环孢霉素a衍生物在病毒感染的治疗和预防中的应用
US9573978B2 (en) 2010-08-12 2017-02-21 S&T Global, Inc. Cyclosporin derivatives for the treatment and prevention of a viral infection
US9890198B2 (en) 2010-12-03 2018-02-13 S&T Global Inc. Cyclosporin derivatives and uses thereof
DK2651965T3 (en) 2010-12-15 2019-02-18 Contravir Pharmaceuticals Inc CYCLOSPORIN ANALOGUAL MODULES MODIFIED BY AMINO ACID 1 AND 3
WO2012145426A1 (en) 2011-04-18 2012-10-26 The Trustees Of Columbia University In The City Of New York Methods to treat cancer using cyclosporine and cyclosporine derivatives
US8906853B2 (en) 2012-11-28 2014-12-09 Enanta Pharmaceuticals, Inc. [N-Me-4-hydroxyleucine]-9-cyclosporin analogues for treatment and prevention of hepatitis C infection
CN105579046A (zh) 2013-08-26 2016-05-11 英安塔制药有限公司 用于预防或治疗丙型肝炎的环孢菌素类似物
WO2016073480A1 (en) 2014-11-03 2016-05-12 Enanta Pharmaceuticals, Inc. Novel cyclosporin analogues for preventing or treating hepatitis c infection

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2463138C2 (de) * 1973-12-06 1984-07-05 Sandoz-Patent-GmbH, 7850 Lörrach Das Antibiotikum Cyclosporin B (S 7481/F-2), seine Herstellung und Verwendung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2065273A1 (es) * 1993-05-25 1995-02-01 Biogal Gyogyszergyar Procedimiento para la purificacion de ciclosporina a.

Also Published As

Publication number Publication date
NZ182496A (en) 1981-12-15
IL50836A (en) 1979-10-31
DK148907B (da) 1985-11-11
JPS5259180A (en) 1977-05-16
IE44750B1 (en) 1982-03-24
FR2338251B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1984-01-13
DK148907C (da) 1986-04-07
SE8202039L (sv) 1982-03-30
SE432247B (sv) 1984-03-26
YU270076A (en) 1982-05-31
IE44750L (en) 1977-05-04
FR2330387A1 (fr) 1977-06-03
JPS6210240B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-03-05
GB1567202A (en) 1980-05-14
FR2338251A1 (fr) 1977-08-12
AT359642B (de) 1980-11-25
IE44749L (en) 1977-05-04
FI60701B (fi) 1981-11-30
PT65791B (fr) 1978-07-05
BE847941A (fr) 1977-05-03
CH619735A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1980-10-15
DK483176A (da) 1977-05-05
CA1087609A (en) 1980-10-14
IE44749B1 (en) 1982-03-24
CH614931A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1979-12-28
FR2330387B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1980-03-14
ATA812276A (de) 1980-04-15
PH14725A (en) 1981-11-13
PT65791A (fr) 1976-12-01
AU1926276A (en) 1978-05-11
JPS6277399A (ja) 1987-04-09
NL7612026A (nl) 1977-05-06
IL50836A0 (en) 1977-01-31
JPS6253520B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-11-10
US4108985A (en) 1978-08-22
DE2661031C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-05-05
DE2648121C2 (de) 1986-05-28
AU513538B2 (en) 1980-12-11
FI60701C (fi) 1982-03-10
SE7611906L (sv) 1977-05-05
FI763049A7 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1977-05-05
DE2648121A1 (de) 1977-05-12
ZA766340B (en) 1978-06-28
NO763667L (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1977-05-05
GB1567201A (en) 1980-05-14

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