SE343210B - - Google Patents

Info

Publication number
SE343210B
SE343210B SE17469/67A SE1746967A SE343210B SE 343210 B SE343210 B SE 343210B SE 17469/67 A SE17469/67 A SE 17469/67A SE 1746967 A SE1746967 A SE 1746967A SE 343210 B SE343210 B SE 343210B
Authority
SE
Sweden
Application number
SE17469/67A
Inventor
S Kagedal
S Akerstroem
Original Assignee
Pharmacia Ab
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 Pharmacia Ab filed Critical Pharmacia Ab
Priority to SE17469/67A priority Critical patent/SE343210B/xx
Priority to IT4844/68A priority patent/IT959324B/it
Priority to FR1595332D priority patent/FR1595332A/fr
Priority to DE1815332A priority patent/DE1815332C3/de
Priority to GB60502/68A priority patent/GB1247896A/en
Priority to CH1890168A priority patent/CH503707A/fr
Priority to NL6818410A priority patent/NL6818410A/xx
Priority to BE725872D priority patent/BE725872A/xx
Priority to JP43093636A priority patent/JPS4928031B1/ja
Priority to US00188575A priority patent/US3788948A/en
Publication of SE343210B publication Critical patent/SE343210B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C261/00—Derivatives of cyanic acid
    • C07C261/02—Cyanates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
    • A61K47/68—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
    • A61K47/68—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
    • A61K47/6889—Conjugates wherein the antibody being the modifying agent and wherein the linker, binder or spacer confers particular properties to the conjugates, e.g. peptidic enzyme-labile linkers or acid-labile linkers, providing for an acid-labile immuno conjugate wherein the drug may be released from its antibody conjugated part in an acidic, e.g. tumoural or environment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • 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
    • C12N11/00—Carrier-bound or immobilised enzymes; Carrier-bound or immobilised microbial cells; Preparation thereof
    • C12N11/02—Enzymes or microbial cells immobilised on or in an organic carrier
    • C12N11/06—Enzymes or microbial cells immobilised on or in an organic carrier attached to the carrier via a bridging agent
    • 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
    • C12N11/00—Carrier-bound or immobilised enzymes; Carrier-bound or immobilised microbial cells; Preparation thereof
    • C12N11/02—Enzymes or microbial cells immobilised on or in an organic carrier
    • C12N11/08—Enzymes or microbial cells immobilised on or in an organic carrier the carrier being a synthetic polymer
    • C12N11/082—Enzymes or microbial cells immobilised on or in an organic carrier the carrier being a synthetic polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C12N11/087—Acrylic polymers
    • 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
    • C12N11/00—Carrier-bound or immobilised enzymes; Carrier-bound or immobilised microbial cells; Preparation thereof
    • C12N11/02—Enzymes or microbial cells immobilised on or in an organic carrier
    • C12N11/08—Enzymes or microbial cells immobilised on or in an organic carrier the carrier being a synthetic polymer
    • C12N11/089—Enzymes or microbial cells immobilised on or in an organic carrier the carrier being a synthetic polymer obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • C12N11/00—Carrier-bound or immobilised enzymes; Carrier-bound or immobilised microbial cells; Preparation thereof
    • C12N11/02—Enzymes or microbial cells immobilised on or in an organic carrier
    • C12N11/10—Enzymes or microbial cells immobilised on or in an organic carrier the carrier being a carbohydrate
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00—Systems containing at least three condensed rings
    • C07C2603/56—Ring systems containing bridged rings
    • C07C2603/58—Ring systems containing bridged rings containing three rings
    • C07C2603/70—Ring systems containing bridged rings containing three rings containing only six-membered rings
    • C07C2603/74—Adamantanes
    • 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
    • Y10S530/00—Chemistry: natural resins or derivatives; peptides or proteins; lignins or reaction products thereof
    • Y10S530/81—Carrier - bound or immobilized peptides or proteins and the preparation thereof, e.g. biological cell or cell fragment as carrier
    • Y10S530/812—Peptides or proteins is immobilized on, or in, an organic carrier
    • Y10S530/813—Carrier is a saccharide
    • Y10S530/814—Cellulose or derivatives thereof
    • 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
    • Y10S530/00—Chemistry: natural resins or derivatives; peptides or proteins; lignins or reaction products thereof
    • Y10S530/81—Carrier - bound or immobilized peptides or proteins and the preparation thereof, e.g. biological cell or cell fragment as carrier
    • Y10S530/812—Peptides or proteins is immobilized on, or in, an organic carrier
    • Y10S530/815—Carrier is a synthetic polymer
    • 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
    • Y10S530/00—Chemistry: natural resins or derivatives; peptides or proteins; lignins or reaction products thereof
    • Y10S530/862—Chemistry: natural resins or derivatives; peptides or proteins; lignins or reaction products thereof involving IgE or IgD

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Genetics & Genomics (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Biomedical Technology (AREA)
  • General Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Biotechnology (AREA)
  • Medicinal Chemistry (AREA)
  • Immunology (AREA)
  • Molecular Biology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Peptides Or Proteins (AREA)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
SE17469/67A 1967-12-20 1967-12-20 SE343210B (zh)

Priority Applications (10)

Application Number Priority Date Filing Date Title
SE17469/67A SE343210B (zh) 1967-12-20 1967-12-20
IT4844/68A IT959324B (it) 1967-12-20 1968-12-16 Metodo per legare composti organici a polimeri mediante legami covalen ti
FR1595332D FR1595332A (zh) 1967-12-20 1968-12-18
DE1815332A DE1815332C3 (de) 1967-12-20 1968-12-18 Verfahren zur Bindung von Proteinen, Polypeptiden, Peptiden oder Derivaten derselben an in Wasser unlösliche Polymere mit einer oder mehreren Hydroxyl- oder primären oder sekundären Aminogruppen
GB60502/68A GB1247896A (en) 1967-12-20 1968-12-19 A method of binding, by covalent bonds, organic compounds to polymers
CH1890168A CH503707A (fr) 1967-12-20 1968-12-19 Procédé pour fixer des composés organiques à des polymères par des liaisons covalentes
NL6818410A NL6818410A (zh) 1967-12-20 1968-12-20
BE725872D BE725872A (zh) 1967-12-20 1968-12-20
JP43093636A JPS4928031B1 (zh) 1967-12-20 1968-12-20
US00188575A US3788948A (en) 1967-12-20 1971-10-12 Method of binding,by covalent bonds,proteins and polypeptides to polymers using cyanates

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE17469/67A SE343210B (zh) 1967-12-20 1967-12-20

Publications (1)

Publication Number Publication Date
SE343210B true SE343210B (zh) 1972-03-06

Family

ID=20303654

Family Applications (1)

Application Number Title Priority Date Filing Date
SE17469/67A SE343210B (zh) 1967-12-20 1967-12-20

Country Status (10)

Country Link
US (1) US3788948A (zh)
JP (1) JPS4928031B1 (zh)
BE (1) BE725872A (zh)
CH (1) CH503707A (zh)
DE (1) DE1815332C3 (zh)
FR (1) FR1595332A (zh)
GB (1) GB1247896A (zh)
IT (1) IT959324B (zh)
NL (1) NL6818410A (zh)
SE (1) SE343210B (zh)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980772A (en) * 1969-12-02 1976-09-14 Baxter Laboratories, Inc. Methods of dissolving blood clots and the like with streptokinase chemically bonded to a carbohydrate matrix
CA1042600A (en) * 1972-05-03 1978-11-14 Louis L. Wood Crosslinked hydrophilic polyurethane foams
DE2322533C2 (de) * 1972-11-06 1986-08-28 Pharmacia AB, Uppsala Verfahren zum Binden von Immunoglobulin und Hilfsmittel zur Durchführung des Verfahrens
CA1023287A (en) * 1972-12-08 1977-12-27 Boehringer Mannheim G.M.B.H. Process for the preparation of carrier-bound proteins
US3925344A (en) * 1973-04-11 1975-12-09 Community Blood Council Plasma protein substitute
US3876501A (en) * 1973-05-17 1975-04-08 Baxter Laboratories Inc Binding enzymes to activated water-soluble carbohydrates
US4179337A (en) * 1973-07-20 1979-12-18 Davis Frank F Non-immunogenic polypeptides
US3949064A (en) * 1973-10-26 1976-04-06 Baxter Laboratories, Inc. Method of detecting antigens or antibodies
CH594367A5 (zh) * 1974-05-17 1978-01-13 Brenner Beat Max
US4046633A (en) * 1974-07-01 1977-09-06 University Of Utah Direct renin assay system and method
US3963691A (en) * 1974-10-07 1976-06-15 Merck & Co., Inc. Synthetic antigens of luteinizing hormone releasing hormone
US4001401A (en) * 1975-02-02 1977-01-04 Alza Corporation Blood substitute and blood plasma expander comprising polyhemoglobin
US4009264A (en) * 1975-03-03 1977-02-22 Meito Sangyo Kabushiki Kaisha Complexes of polysaccharides or derivatives thereof with reduced glutathione and process for preparing said complexes
US4046513A (en) * 1976-06-30 1977-09-06 Miles Laboratories, Inc. Printed reagent test devices and method of making same
US4197220A (en) * 1976-08-27 1980-04-08 California Institute Of Technology Impregnated metal-polymeric functional beads
US4108975A (en) * 1977-03-04 1978-08-22 Becton, Dickinson And Company Radioimmunoassay system
US4140662A (en) * 1977-03-25 1979-02-20 Ortho Diagnostics, Inc. Attachment of proteins to inert particles
GB1604249A (en) * 1977-05-31 1981-12-02 Kolehmainen S Selective measurement of somatic and microbial cells
US4229537A (en) * 1978-02-09 1980-10-21 New York University Preparation of trichloro-s-triazine activated supports for coupling ligands
US4289748A (en) * 1979-05-31 1981-09-15 United States Of America Ultrasensitive enzymatic radioimmunoassay method
SE445116B (sv) * 1979-09-12 1986-06-02 Pharmacia Fine Chemicals Ab Sett att odla celler pa mikroberare med fibronektinytskikt
JPS5670028A (en) * 1979-11-12 1981-06-11 Teijin Ltd Polymer bonding with albumin
JPS57190003A (en) * 1981-05-18 1982-11-22 Asahi Chem Ind Co Ltd Wholly porous activated gel
US4441943A (en) * 1981-05-18 1984-04-10 Hri Inc. Polypeptides as chemical tagging materials
US4560653A (en) * 1983-06-06 1985-12-24 W. R. Grace & Co. Process for preparing L-aspartic acid
US4496689A (en) * 1983-12-27 1985-01-29 Miles Laboratories, Inc. Covalently attached complex of alpha-1-proteinase inhibitor with a water soluble polymer
US4478938A (en) * 1984-03-02 1984-10-23 The Dow Chemical Company Process for crosslinking polyamines
US4766106A (en) * 1985-06-26 1988-08-23 Cetus Corporation Solubilization of proteins for pharmaceutical compositions using polymer conjugation
US5206344A (en) * 1985-06-26 1993-04-27 Cetus Oncology Corporation Interleukin-2 muteins and polymer conjugation thereof
US4894226A (en) * 1986-11-14 1990-01-16 Cetus Corporation Solubilization of proteins for pharmaceutical compositions using polyproline conjugation
US4847325A (en) * 1988-01-20 1989-07-11 Cetus Corporation Conjugation of polymer to colony stimulating factor-1
US5306500A (en) * 1988-11-21 1994-04-26 Collagen Corporation Method of augmenting tissue with collagen-polymer conjugates
US5510418A (en) * 1988-11-21 1996-04-23 Collagen Corporation Glycosaminoglycan-synthetic polymer conjugates
US5565519A (en) * 1988-11-21 1996-10-15 Collagen Corporation Clear, chemically modified collagen-synthetic polymer conjugates for ophthalmic applications
US5162430A (en) * 1988-11-21 1992-11-10 Collagen Corporation Collagen-polymer conjugates
CZ277766B6 (en) * 1990-01-04 1993-04-14 Vnii Textilno Biologically active material and process for preparing thereof
US5595732A (en) * 1991-03-25 1997-01-21 Hoffmann-La Roche Inc. Polyethylene-protein conjugates
DK130991D0 (da) * 1991-07-04 1991-07-04 Immunodex K S Polymere konjugater
US5382657A (en) * 1992-08-26 1995-01-17 Hoffmann-La Roche Inc. Peg-interferon conjugates
US5849301A (en) * 1993-09-22 1998-12-15 Henry M. Jackson Foundation For The Advancement Of Military Medicine Producing immunogenic constructs using soluable carbohydrates activated via organic cyanylating reagents
JP3828145B2 (ja) * 1993-09-22 2006-10-04 ヘンリー エム．ジャクソン ファウンデイション フォー ザ アドバンスメント オブ ミリタリー メディスン 免疫原性構成物の製造のための新規シアン化試薬を使った可溶性炭水化物の活性化方法
NZ304715A (en) * 1995-03-22 1999-07-29 Jackson H M Found Military Med Production of immunogenic constructs using organic cyanylating reagents to activate carbohydrates and then coupling the carbohydrate to a protein, peptide or hapten
KR100417183B1 (ko) * 1995-03-22 2004-05-31 헨리 엠. 잭슨 파운데이션 포 더 어드벤스먼트 오브 밀리터리 메디신 유기시아닐화제로활성화된가용성탄수화물을이용한면역원성구조체제조
US6833408B2 (en) * 1995-12-18 2004-12-21 Cohesion Technologies, Inc. Methods for tissue repair using adhesive materials
US6458889B1 (en) 1995-12-18 2002-10-01 Cohesion Technologies, Inc. Compositions and systems for forming crosslinked biomaterials and associated methods of preparation and use
US7883693B2 (en) 1995-12-18 2011-02-08 Angiodevice International Gmbh Compositions and systems for forming crosslinked biomaterials and methods of preparation of use
ES2420106T3 (es) * 1995-12-18 2013-08-22 Angiodevice International Gmbh Composiciones de polímeros reticulados y métodos para su uso
US6309646B1 (en) 1996-05-09 2001-10-30 The Henry M. Jackson Foundation For The Advancement Of Military Medicine Protein-polysaccharide conjugate vaccines and other immunological reagents prepared using homobifunctional and heterobifunctional vinylsulfones, and processes for preparing the conjugates
CN1330675A (zh) 1998-08-28 2002-01-09 格莱风科学公司 精确长度的聚酰胺链、其制备方法和其与蛋白质的缀合物
JP2006516548A (ja) 2002-12-30 2006-07-06 アンジオテック インターナショナル アクツィエン ゲゼルシャフト 迅速ゲル化ポリマー組成物からの薬物送達法
US20040219214A1 (en) * 2002-12-30 2004-11-04 Angiotech International Ag Tissue reactive compounds and compositions and uses thereof
CN104174071A (zh) 2004-04-28 2014-12-03 安希奥设备国际有限责任公司 用于形成交联生物材料的组合物和系统及关联的制备方法与用途
CA2579790A1 (en) * 2004-07-30 2006-02-09 Mount Sinai School Of Medicine Of New York University Npc1l1 and npc1l1 inhibitors and methods of use thereof
EP1796602A4 (en) 2004-09-17 2016-10-19 Angiotech Pharm Inc MULTIFUNCTIONAL COMPOUNDS FOR PRODUCING NETWORKED BIOMATERIALS AND MANUFACTURING AND USE METHOD THEREFOR

Also Published As

Publication number Publication date
DE1815332C3 (de) 1980-04-03
FR1595332A (zh) 1970-06-08
DE1815332B2 (de) 1979-08-02
GB1247896A (en) 1971-09-29
BE725872A (zh) 1969-06-20
US3788948A (en) 1974-01-29
JPS4928031B1 (zh) 1974-07-23
DE1815332A1 (de) 1969-07-24
IT959324B (it) 1973-11-10
NL6818410A (zh) 1969-06-24
CH503707A (fr) 1971-02-28

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