NL8001526A - Alkali-bestendige glasvezels. - Google Patents
Alkali-bestendige glasvezels. Download PDFInfo
- Publication number
- NL8001526A NL8001526A NL8001526A NL8001526A NL8001526A NL 8001526 A NL8001526 A NL 8001526A NL 8001526 A NL8001526 A NL 8001526A NL 8001526 A NL8001526 A NL 8001526A NL 8001526 A NL8001526 A NL 8001526A
- Authority
- NL
- Netherlands
- Prior art keywords
- glass
- glass fibers
- content
- alkali
- fibers according
- Prior art date
Links
- 239000003365 glass fiber Substances 0.000 title claims description 39
- 239000011521 glass Substances 0.000 claims description 98
- 239000003513 alkali Substances 0.000 claims description 43
- 239000000203 mixture Substances 0.000 claims description 34
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 claims description 18
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 17
- 229910004369 ThO2 Inorganic materials 0.000 claims description 15
- 229910000272 alkali metal oxide Inorganic materials 0.000 claims description 10
- 230000002787 reinforcement Effects 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052681 coesite Inorganic materials 0.000 claims description 4
- 229910052906 cristobalite Inorganic materials 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 229910052682 stishovite Inorganic materials 0.000 claims description 4
- 229910052905 tridymite Inorganic materials 0.000 claims description 4
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 3
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 3
- 150000002910 rare earth metals Chemical class 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 239000000835 fiber Substances 0.000 description 21
- 238000004519 manufacturing process Methods 0.000 description 9
- 239000004568 cement Substances 0.000 description 8
- 238000002844 melting Methods 0.000 description 8
- 230000008018 melting Effects 0.000 description 8
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 8
- 239000011491 glass wool Substances 0.000 description 7
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 6
- 229910052776 Thorium Inorganic materials 0.000 description 6
- 239000006060 molten glass Substances 0.000 description 6
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 6
- 238000004031 devitrification Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000011398 Portland cement Substances 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000292 calcium oxide Substances 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910003452 thorium oxide Inorganic materials 0.000 description 3
- 229910001928 zirconium oxide Inorganic materials 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 229910007926 ZrCl Inorganic materials 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- IKNAJTLCCWPIQD-UHFFFAOYSA-K cerium(3+);lanthanum(3+);neodymium(3+);oxygen(2-);phosphate Chemical compound [O-2].[La+3].[Ce+3].[Nd+3].[O-]P([O-])([O-])=O IKNAJTLCCWPIQD-UHFFFAOYSA-K 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 238000005816 glass manufacturing process Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 229910052747 lanthanoid Inorganic materials 0.000 description 2
- 150000002602 lanthanoids Chemical class 0.000 description 2
- 229910052590 monazite Inorganic materials 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- UDQDXYKYBHKBTI-IZDIIYJESA-N 2-[4-[4-[bis(2-chloroethyl)amino]phenyl]butanoyloxy]ethyl (2e,4e,6e,8e,10e,12e)-docosa-2,4,6,8,10,12-hexaenoate Chemical compound CCCCCCCCC\C=C\C=C\C=C\C=C\C=C\C=C\C(=O)OCCOC(=O)CCCC1=CC=C(N(CCCl)CCCl)C=C1 UDQDXYKYBHKBTI-IZDIIYJESA-N 0.000 description 1
- 241000234282 Allium Species 0.000 description 1
- 235000002732 Allium cepa var. cepa Nutrition 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 102100037114 Elongin-C Human genes 0.000 description 1
- 101001011859 Homo sapiens Elongin-A Proteins 0.000 description 1
- 101001011846 Homo sapiens Elongin-B Proteins 0.000 description 1
- 101000881731 Homo sapiens Elongin-C Proteins 0.000 description 1
- 101000836005 Homo sapiens S-phase kinase-associated protein 1 Proteins 0.000 description 1
- 229910018068 Li 2 O Inorganic materials 0.000 description 1
- 101001041669 Oryctolagus cuniculus Corticostatin 1 Proteins 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- HZVVJJIYJKGMFL-UHFFFAOYSA-N almasilate Chemical compound O.[Mg+2].[Al+3].[Al+3].O[Si](O)=O.O[Si](O)=O HZVVJJIYJKGMFL-UHFFFAOYSA-N 0.000 description 1
- 239000005354 aluminosilicate glass Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007496 glass forming Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000002367 phosphate rock Substances 0.000 description 1
- 239000011698 potassium fluoride Substances 0.000 description 1
- 235000003270 potassium fluoride Nutrition 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 229910001464 rare earth metal phosphate Inorganic materials 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011775 sodium fluoride Substances 0.000 description 1
- 235000013024 sodium fluoride Nutrition 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/001—Alkali-resistant fibres
- C03C13/002—Alkali-resistant fibres containing zirconium
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7909189 | 1979-03-15 | ||
| GB7909189 | 1979-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8001526A true NL8001526A (nl) | 1980-09-17 |
Family
ID=10503909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8001526A NL8001526A (nl) | 1979-03-15 | 1980-03-14 | Alkali-bestendige glasvezels. |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US4330628A (fr) |
| JP (1) | JPS55140735A (fr) |
| AR (1) | AR218201A1 (fr) |
| AU (1) | AU5615880A (fr) |
| BE (1) | BE882250A (fr) |
| BR (1) | BR8001474A (fr) |
| CA (1) | CA1132142A (fr) |
| CS (1) | CS213314B2 (fr) |
| DE (1) | DE3009953A1 (fr) |
| DK (1) | DK112680A (fr) |
| ES (1) | ES8104153A1 (fr) |
| FR (1) | FR2451347A1 (fr) |
| GB (1) | GB2046726B (fr) |
| IE (1) | IE49521B1 (fr) |
| IT (1) | IT1140785B (fr) |
| NL (1) | NL8001526A (fr) |
| SE (1) | SE8001903L (fr) |
| ZA (1) | ZA801264B (fr) |
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IE50727B1 (en) * | 1980-02-27 | 1986-06-25 | Pilkington Brothers Ltd | Alkali resistant glass fibres and cementitious products reinforced with such glass fibres |
| DE3042078A1 (de) * | 1980-11-05 | 1982-06-09 | Ivan Prof. Dr.-Ing. 3380 Goslar Odler | Zementplatte, sowie verfahren und vorrichtung zu deren herstellung |
| US4555492A (en) | 1983-04-22 | 1985-11-26 | Manville Service Corporation | High temperature refractory fiber |
| FR2577213B1 (fr) * | 1985-02-12 | 1991-10-31 | Saint Gobain Vetrotex | Fibres de verre resistant aux milieux basiques et application de celles-ci au renforcement du ciment |
| JPS62222198A (ja) * | 1986-03-25 | 1987-09-30 | 動力炉・核燃料開発事業団 | 放射性廃液処理用カ−トリツジの製造法 |
| US4882302A (en) * | 1986-12-03 | 1989-11-21 | Ensci, Inc. | Lathanide series oxide modified alkaline-resistant glass |
| JPH0764593B2 (ja) * | 1989-08-23 | 1995-07-12 | 日本電気硝子株式会社 | 耐アルカリ性ガラス繊維組成物 |
| JPH03257039A (ja) * | 1990-03-08 | 1991-11-15 | Honda Motor Co Ltd | ガラス繊維、ガラス繊維強化合成樹脂製品および内燃機関用排気系部品 |
| US5932347A (en) * | 1996-10-31 | 1999-08-03 | Owens Corning Fiberglas Technology, Inc. | Mineral fiber compositions |
| DE19945517B4 (de) * | 1999-02-15 | 2005-03-17 | Schott Ag | Hochzirconiumoxidhaltiges Glas und seine Verwendungen |
| DE19906240A1 (de) * | 1999-02-15 | 2000-08-17 | Schott Glas | Hochzirkoniumoxidhaltiges Glas und dessen Verwendungen |
| JP2002537206A (ja) | 1999-02-15 | 2002-11-05 | カール−ツアイス−スチフツング | 高酸化ジルコニウム含有ガラス及びその使用 |
| US6819846B2 (en) * | 2001-08-02 | 2004-11-16 | Corning Incorporated | High absorption erbium doped amplifying optical fiber |
| GB2383793B (en) * | 2002-01-04 | 2003-11-19 | Morgan Crucible Co | Saline soluble inorganic fibres |
| BRPI0411750A (pt) | 2003-06-27 | 2006-08-08 | Unifrax Corp | fibra inorgánica vìtrea resistente à temperatura elevada, método para o preparo da mesma e método de isolamento de um artigo |
| US7468336B2 (en) | 2003-06-27 | 2008-12-23 | Unifrax Llc | High temperature resistant vitreous inorganic fiber |
| BRPI0518202B1 (pt) * | 2004-11-01 | 2017-05-30 | The Morgan Crucible Company Plc | fibras refratárias de silicato de metal alcalino terroso |
| US7875566B2 (en) * | 2004-11-01 | 2011-01-25 | The Morgan Crucible Company Plc | Modification of alkaline earth silicate fibres |
| FR2892716B1 (fr) * | 2005-10-28 | 2008-04-18 | Saint Gobain Vetrotex | Composition de verre resistant aux alcalis et aux acides pour la fabrication de fils de verre |
| BRPI0621965A2 (pt) * | 2006-08-18 | 2011-12-27 | Firefly Energy Inc | espuma compàsita, e, bateria de Ácido e chumbo |
| FR2907777B1 (fr) | 2006-10-25 | 2009-01-30 | Saint Gobain Vetrotex | Composition de verre resistant aux milieux chimiques pour la fabrication de fils de verre de renforcement. |
| JP2008255002A (ja) * | 2007-03-15 | 2008-10-23 | Nippon Electric Glass Co Ltd | ガラス繊維用ガラス組成物、ガラス繊維、ガラス繊維の製造方法及び複合材 |
| WO2013153813A1 (fr) * | 2012-04-11 | 2013-10-17 | パナソニック株式会社 | Isolateur thermique à vide et paroi de réfrigérateur-congélateur et cloison d'habitation équipée de celui-ci |
| JP6300832B2 (ja) * | 2013-02-18 | 2018-03-28 | ア・エス ヴァルミエラス スティクラ シュキエドラＡＳ Ｖａｌｍｉｅｒａｓ ｓｔｉｋｌａ ｓｋｉｅｄｒａ | 耐熱性アルミノケイ酸塩ガラス繊維ならびにその製造方法および使用 |
| US10023491B2 (en) | 2014-07-16 | 2018-07-17 | Unifrax I Llc | Inorganic fiber |
| AU2014400797A1 (en) | 2014-07-16 | 2017-02-02 | Unifrax I Llc | Inorganic fiber with improved shrinkage and strength |
| KR102289267B1 (ko) | 2014-07-17 | 2021-08-11 | 유니프랙스 아이 엘엘씨 | 개선된 수축률 및 강도를 갖는 무기 섬유 |
| WO2016093212A1 (fr) * | 2014-12-11 | 2016-06-16 | 日本電気硝子株式会社 | Composition de verre pour fibre de verre, fibre de verre, et procédé de production de fibre de verre |
| US9919957B2 (en) | 2016-01-19 | 2018-03-20 | Unifrax I Llc | Inorganic fiber |
| JP7288246B2 (ja) * | 2017-12-05 | 2023-06-07 | 日本電気硝子株式会社 | ガラス繊維及びその製造方法 |
| US10882779B2 (en) | 2018-05-25 | 2021-01-05 | Unifrax I Llc | Inorganic fiber |
| US20220032086A1 (en) * | 2020-07-30 | 2022-02-03 | Albert Chin-Tang Wey | Ceramic module emitting far infrared radiation and specific low dose ionizing radiation |
| WO2023106048A1 (fr) * | 2021-12-07 | 2023-06-15 | 日本電気硝子株式会社 | Fibres de verre, procédé de fabrication de fibres de verre et verre |
| WO2023190982A1 (fr) * | 2022-03-30 | 2023-10-05 | 日本板硝子株式会社 | Fibres de verre |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2805166A (en) * | 1954-01-18 | 1957-09-03 | Loffler Johannes | Glasses containing oxides of rare earth metals |
| US2988421A (en) * | 1956-08-24 | 1961-06-13 | Thorium Ltd | Process for the separation of thorium and rare earths from monazite |
| GB921194A (en) * | 1959-01-01 | 1963-03-13 | Microcell Ltd | Improvements in or relating to glass compositions |
| US3132033A (en) * | 1960-03-15 | 1964-05-05 | Ralph L Tiede | Fiberizable glass compositions |
| US3460954A (en) * | 1964-05-21 | 1969-08-12 | Bendix Corp | Bao-nb2o5-sio2 glass compositions for use in fiber-optics |
| GB1307357A (en) * | 1969-04-03 | 1973-02-21 | Nat Res Dev | Cement compositions containing glass fibres |
| GB1290528A (fr) | 1969-07-28 | 1972-09-27 | ||
| AU464066B2 (en) * | 1972-05-12 | 1975-08-14 | Kanebo, Ltd | Alkali resistant glass fibers |
| FR2209847B1 (fr) * | 1972-12-08 | 1977-01-14 | Sofrem | |
| GB1460042A (en) | 1973-02-14 | 1976-12-31 | Turner Newall Ltd | Glass compositions and fibres made therefrom |
| USRE29388E (en) | 1973-02-14 | 1977-09-06 | Turner & Newall Limited | Glass compositions and fibers made therefrom |
| GB1459385A (en) | 1973-02-14 | 1976-12-22 | Turner Newall Ltd | Glass fibres |
| US4109051A (en) * | 1973-07-03 | 1978-08-22 | Pilkington Brothers Limited | Polyhydroxy aromatic coating compositions for reinforcing glass fibers used in cementitious products |
| US4066465A (en) * | 1975-11-07 | 1978-01-03 | Central Glass Company, Limited | Alkali-resistant glass composition |
| US4122460A (en) * | 1977-08-10 | 1978-10-24 | International Business Machines Corporation | Ink jet nozzle structures |
| JPS6054248B2 (ja) * | 1978-07-08 | 1985-11-29 | 日本板硝子株式会社 | 耐アルカリ性ガラス組成物 |
-
1980
- 1980-02-26 IE IE381/80A patent/IE49521B1/en unknown
- 1980-03-04 ZA ZA00801264A patent/ZA801264B/xx unknown
- 1980-03-05 CA CA347,032A patent/CA1132142A/fr not_active Expired
- 1980-03-05 AU AU56158/80A patent/AU5615880A/en not_active Abandoned
- 1980-03-11 CS CS801661A patent/CS213314B2/cs unknown
- 1980-03-11 SE SE8001903A patent/SE8001903L/ not_active Application Discontinuation
- 1980-03-12 BR BR8001474A patent/BR8001474A/pt unknown
- 1980-03-13 IT IT20576/80A patent/IT1140785B/it active
- 1980-03-14 AR AR280306A patent/AR218201A1/es active
- 1980-03-14 FR FR8005730A patent/FR2451347A1/fr not_active Withdrawn
- 1980-03-14 BE BE0/199819A patent/BE882250A/fr not_active IP Right Cessation
- 1980-03-14 DE DE19803009953 patent/DE3009953A1/de not_active Withdrawn
- 1980-03-14 ES ES489604A patent/ES8104153A1/es not_active Expired
- 1980-03-14 JP JP3257380A patent/JPS55140735A/ja active Pending
- 1980-03-14 GB GB8008813A patent/GB2046726B/en not_active Expired
- 1980-03-14 NL NL8001526A patent/NL8001526A/nl not_active Application Discontinuation
- 1980-03-14 DK DK112680A patent/DK112680A/da not_active Application Discontinuation
- 1980-03-17 US US06/130,688 patent/US4330628A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB2046726A (en) | 1980-11-19 |
| AR218201A1 (es) | 1980-05-15 |
| CA1132142A (fr) | 1982-09-21 |
| CS213314B2 (en) | 1982-04-09 |
| DE3009953A1 (de) | 1980-10-09 |
| ZA801264B (en) | 1981-08-26 |
| IT1140785B (it) | 1986-10-10 |
| ES489604A0 (es) | 1981-04-01 |
| SE8001903L (sv) | 1980-09-16 |
| US4330628A (en) | 1982-05-18 |
| IT8020576A0 (it) | 1980-03-13 |
| BR8001474A (pt) | 1980-11-11 |
| ES8104153A1 (es) | 1981-04-01 |
| JPS55140735A (en) | 1980-11-04 |
| DK112680A (da) | 1980-09-16 |
| IE49521B1 (en) | 1985-10-16 |
| AU5615880A (en) | 1980-09-18 |
| BE882250A (fr) | 1980-09-15 |
| FR2451347A1 (fr) | 1980-10-10 |
| GB2046726B (en) | 1983-04-20 |
| IE800381L (en) | 1980-09-15 |
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