JPH0328455B2 - - Google Patents
Info
- Publication number
- JPH0328455B2 JPH0328455B2 JP57235120A JP23512082A JPH0328455B2 JP H0328455 B2 JPH0328455 B2 JP H0328455B2 JP 57235120 A JP57235120 A JP 57235120A JP 23512082 A JP23512082 A JP 23512082A JP H0328455 B2 JPH0328455 B2 JP H0328455B2
- Authority
- JP
- Japan
- Prior art keywords
- weight
- sheet material
- mastic material
- rubber
- ethylene
- 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 - Lifetime
Links
- 239000000463 material Substances 0.000 claims description 168
- 239000000203 mixture Substances 0.000 claims description 37
- 229910052751 metal Inorganic materials 0.000 claims description 31
- 239000002184 metal Substances 0.000 claims description 31
- 239000004604 Blowing Agent Substances 0.000 claims description 30
- 229920001971 elastomer Polymers 0.000 claims description 29
- 239000010426 asphalt Substances 0.000 claims description 25
- 239000013521 mastic Substances 0.000 claims description 20
- 229920000642 polymer Polymers 0.000 claims description 19
- 239000005060 rubber Substances 0.000 claims description 16
- -1 polyethylene, ethylene ethyl acrylate Polymers 0.000 claims description 14
- 239000000806 elastomer Substances 0.000 claims description 13
- 239000012764 mineral filler Substances 0.000 claims description 11
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims description 10
- 235000019738 Limestone Nutrition 0.000 claims description 10
- 239000006028 limestone Substances 0.000 claims description 10
- 229920000573 polyethylene Polymers 0.000 claims description 9
- 238000000354 decomposition reaction Methods 0.000 claims description 5
- 229920002943 EPDM rubber Polymers 0.000 claims description 4
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 27
- 239000000758 substrate Substances 0.000 description 21
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 13
- 238000005187 foaming Methods 0.000 description 10
- 239000011230 binding agent Substances 0.000 description 9
- 229920001577 copolymer Polymers 0.000 description 9
- 239000006260 foam Substances 0.000 description 9
- 239000000654 additive Substances 0.000 description 7
- 230000000996 additive effect Effects 0.000 description 7
- 239000004698 Polyethylene Substances 0.000 description 6
- 210000003850 cellular structure Anatomy 0.000 description 6
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 description 6
- 239000012790 adhesive layer Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 230000001143 conditioned effect Effects 0.000 description 5
- 239000000945 filler Substances 0.000 description 5
- 239000011888 foil Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 4
- 229920003051 synthetic elastomer Polymers 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000005061 synthetic rubber Substances 0.000 description 3
- NBOCQTNZUPTTEI-UHFFFAOYSA-N 4-[4-(hydrazinesulfonyl)phenoxy]benzenesulfonohydrazide Chemical compound C1=CC(S(=O)(=O)NN)=CC=C1OC1=CC=C(S(=O)(=O)NN)C=C1 NBOCQTNZUPTTEI-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 239000013032 Hydrocarbon resin Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 235000019399 azodicarbonamide Nutrition 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 239000002666 chemical blowing agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229920006270 hydrocarbon resin Polymers 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 241001441571 Hiodontidae Species 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000010428 baryte Substances 0.000 description 1
- 229910052601 baryte Inorganic materials 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000004320 controlled atmosphere Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 238000004525 petroleum distillation Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010454 slate Substances 0.000 description 1
- 229920006132 styrene block copolymer Polymers 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
- B60R13/0815—Acoustic or thermal insulation of passenger compartments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
- B60R13/0815—Acoustic or thermal insulation of passenger compartments
- B60R13/083—Acoustic or thermal insulation of passenger compartments for fire walls or floors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2852—Adhesive compositions
- Y10T428/2878—Adhesive compositions including addition polymer from unsaturated monomer
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2852—Adhesive compositions
- Y10T428/2878—Adhesive compositions including addition polymer from unsaturated monomer
- Y10T428/2883—Adhesive compositions including addition polymer from unsaturated monomer including addition polymer of diene monomer [e.g., SBR, SIS, etc.]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/336,091 US4456705A (en) | 1981-12-31 | 1981-12-31 | Heat fusible-expandable mastic for automobile floor pans |
| US336091 | 1981-12-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58122931A JPS58122931A (ja) | 1983-07-21 |
| JPH0328455B2 true JPH0328455B2 (en]) | 1991-04-19 |
Family
ID=23314523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57235120A Granted JPS58122931A (ja) | 1981-12-31 | 1982-12-28 | 自動車床板に用いられる熱溶融性発泡性マスチツク |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4456705A (en]) |
| JP (1) | JPS58122931A (en]) |
| AU (1) | AU560006B2 (en]) |
| CA (1) | CA1197650A (en]) |
| NZ (1) | NZ202793A (en]) |
| ZA (1) | ZA829522B (en]) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4495240A (en) * | 1981-12-31 | 1985-01-22 | Usm Corporation | Heat-fusible-expandable mastic for automobile floor pans |
| JPS59124124U (ja) * | 1983-02-12 | 1984-08-21 | 世古 晴美 | 積層物 |
| JPS6028436A (ja) * | 1983-07-27 | 1985-02-13 | Nippon Tokushu Toryo Kk | 発泡型制振シート |
| JPS6034679A (ja) * | 1983-07-29 | 1985-02-22 | Ikeda Bussan Co Ltd | 自動車用カ−ペットおよびその製造方法 |
| US4588634A (en) * | 1983-08-05 | 1986-05-13 | The Flintkote Company | Coating formulation for inorganic fiber mat based bituminous roofing shingles |
| US4524156A (en) * | 1984-09-04 | 1985-06-18 | W. R. Grace & Co. | Asphalt foam |
| US4617178A (en) * | 1984-11-05 | 1986-10-14 | Nichols Robert L | Medical instrument sterilization container |
| ATE76186T1 (de) * | 1987-10-14 | 1992-05-15 | Karl Merz | Splittermantel fuer metallische explosivkoerper sowie verfahren zu seiner herstellung. |
| CA1322209C (en) * | 1988-05-18 | 1993-09-14 | Honda Giken Kogyo Kabushiki Kaisha (Also Trading As Honda Motor Co., Ltd .) | Automotive sound-proof materials and damping materials therefor |
| US4956500A (en) * | 1988-09-06 | 1990-09-11 | Owens-Corning Fiberglas Corporation | Vulcanizable rubber compound with improved tackifier |
| US5093394A (en) * | 1988-09-27 | 1992-03-03 | Sheller-Globe Corporation | Thermoformable acoustical mat composition and method |
| EP0596972B1 (en) * | 1991-07-23 | 2000-03-08 | Tri-Tex Australia Pty Ltd | Non-bituminous sound deadening material |
| FR2698059B1 (fr) * | 1992-11-17 | 1995-01-27 | Olin | Garniture composite pour carrosseries, carcasses et structures diverses. |
| US5405882A (en) * | 1992-12-16 | 1995-04-11 | Atlas Roofing Corporation | Method of foaming asphalt and products produced thereby |
| US5585411A (en) * | 1993-08-11 | 1996-12-17 | Shell Oil Company | Plastic foams made from polybutylene blends |
| US5840797A (en) * | 1996-09-16 | 1998-11-24 | H. B. Fuller Licensing & Financing, Inc. | Light weight, high performance vibration-damping system |
| US6110985A (en) * | 1998-10-30 | 2000-08-29 | Soundwich, Inc. | Constrained layer damping compositions |
| GB0004049D0 (en) * | 2000-02-21 | 2000-04-12 | Struyk Verwo Group B V | Building products |
| US20040219322A1 (en) * | 2002-08-14 | 2004-11-04 | Fisher Dennis K. | Self-adhesive vibration damping tape and composition |
| US6828020B2 (en) * | 2002-08-14 | 2004-12-07 | Adco Products, Inc. | Self-adhesive vibration damping tape and composition |
| US7585559B2 (en) * | 2003-06-03 | 2009-09-08 | Intellectual Property Holdings, Llc | Foam barrier heat shield |
| US7748184B1 (en) * | 2005-02-09 | 2010-07-06 | Intellectual Property Holdings, Llc | Body panel having improved stiffness and method of making |
| ES2308453T3 (es) * | 2005-03-04 | 2008-12-01 | PIRELLI & C. S.P.A. | Procedimiento para la fabricacion de un suelo de soporte de carg que aisla el sonido. |
| US7799840B2 (en) | 2006-09-12 | 2010-09-21 | Intellectual Property Holdings, Llc | Thermoplastic vibrational damper with constraining layer |
| MY154555A (en) * | 2007-11-21 | 2015-06-30 | Malaysian Palm Oil Board Mpob | A sound deadener melt pad composition |
| US20090148712A1 (en) * | 2007-12-05 | 2009-06-11 | Hong Xiao | Viscoelastic composition and damper, and related methods |
| US8974003B2 (en) | 2012-03-30 | 2015-03-10 | Toyota Motor Engineering & Manufacturing North America, Inc. | Rear seat cushion sound reduction mat |
| EP2778200A1 (en) * | 2013-03-14 | 2014-09-17 | Autoneum Management AG | Sound damping composition |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2981361A (en) * | 1956-04-12 | 1961-04-25 | Republic Steel Corp | Cabinet construction |
| DE1957820A1 (de) * | 1969-11-18 | 1971-05-27 | Roehm & Haas Gmbh | Verfahren zur Herstellung einer Isoliermasse |
| CA997085A (en) * | 1971-10-20 | 1976-09-14 | James A. Gulino | Asphalt-petroleum resin filled compositions |
| US4010123A (en) * | 1972-04-06 | 1977-03-01 | Coal Industry (Patents) Limited | Cellular material |
-
1981
- 1981-12-31 US US06/336,091 patent/US4456705A/en not_active Expired - Fee Related
-
1982
- 1982-12-14 NZ NZ202793A patent/NZ202793A/en unknown
- 1982-12-28 JP JP57235120A patent/JPS58122931A/ja active Granted
- 1982-12-28 ZA ZA829522A patent/ZA829522B/xx unknown
- 1982-12-29 CA CA000418681A patent/CA1197650A/en not_active Expired
- 1982-12-30 AU AU91964/82A patent/AU560006B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| CA1197650A (en) | 1985-12-03 |
| AU9196482A (en) | 1983-07-07 |
| AU560006B2 (en) | 1987-03-26 |
| US4456705A (en) | 1984-06-26 |
| ZA829522B (en) | 1983-12-28 |
| NZ202793A (en) | 1986-03-14 |
| JPS58122931A (ja) | 1983-07-21 |
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