NO125442B - - Google Patents
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- Publication number
- NO125442B NO125442B NO1634/70A NO163470A NO125442B NO 125442 B NO125442 B NO 125442B NO 1634/70 A NO1634/70 A NO 1634/70A NO 163470 A NO163470 A NO 163470A NO 125442 B NO125442 B NO 125442B
- Authority
- NO
- Norway
- Prior art keywords
- agent
- caking
- weight
- solvating
- water
- Prior art date
Links
- 239000003795 chemical substances by application Substances 0.000 claims description 40
- 229920000642 polymer Polymers 0.000 claims description 23
- -1 ol-olefin sulfonates Chemical class 0.000 claims description 17
- 239000003337 fertilizer Substances 0.000 claims description 16
- 125000004432 carbon atom Chemical group C* 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 150000008051 alkyl sulfates Chemical class 0.000 claims description 6
- 238000005054 agglomeration Methods 0.000 claims description 5
- 230000002776 aggregation Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 229940045714 alkyl sulfonate alkylating agent Drugs 0.000 claims description 2
- 150000008052 alkyl sulfonates Chemical class 0.000 claims description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 18
- 239000004202 carbamide Substances 0.000 description 18
- 238000012360 testing method Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 12
- 229920001577 copolymer Polymers 0.000 description 10
- 229920000573 polyethylene Polymers 0.000 description 10
- 229920002689 polyvinyl acetate Polymers 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
- 239000004698 Polyethylene Substances 0.000 description 9
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 9
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 9
- 235000011130 ammonium sulphate Nutrition 0.000 description 9
- 239000011118 polyvinyl acetate Substances 0.000 description 9
- 239000004094 surface-active agent Substances 0.000 description 9
- 239000007864 aqueous solution Substances 0.000 description 7
- 239000004372 Polyvinyl alcohol Substances 0.000 description 6
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 6
- 238000006116 polymerization reaction Methods 0.000 description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 229920002554 vinyl polymer Polymers 0.000 description 5
- 239000001692 EU approved anti-caking agent Substances 0.000 description 4
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 239000001166 ammonium sulphate Substances 0.000 description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 description 3
- QJAKHFOENYXAQI-UHFFFAOYSA-L magnesium;octyl sulfate Chemical compound [Mg+2].CCCCCCCCOS([O-])(=O)=O.CCCCCCCCOS([O-])(=O)=O QJAKHFOENYXAQI-UHFFFAOYSA-L 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
- 125000003342 alkenyl group Chemical class 0.000 description 2
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- HBNDBUATLJAUQM-UHFFFAOYSA-L magnesium;dodecyl sulfate Chemical compound [Mg+2].CCCCCCCCCCCCOS([O-])(=O)=O.CCCCCCCCCCCCOS([O-])(=O)=O HBNDBUATLJAUQM-UHFFFAOYSA-L 0.000 description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000004584 polyacrylic acid Substances 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000012453 solvate Substances 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 description 1
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- JDTSFCBWQNVGDC-UHFFFAOYSA-L C(CCCCCCC)OS(=O)(=O)[O-].[Mg+2].C(C)(=O)[O-] Chemical compound C(CCCCCCC)OS(=O)(=O)[O-].[Mg+2].C(C)(=O)[O-] JDTSFCBWQNVGDC-UHFFFAOYSA-L 0.000 description 1
- BWKBXLKYTHSZTJ-UHFFFAOYSA-N C(CCCCCCCCCCC)OS(=O)(=O)O.C(C)(=O)O Chemical compound C(CCCCCCCCCCC)OS(=O)(=O)O.C(C)(=O)O BWKBXLKYTHSZTJ-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical class [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 240000000491 Corchorus aestuans Species 0.000 description 1
- 235000011777 Corchorus aestuans Nutrition 0.000 description 1
- 235000010862 Corchorus capsularis Nutrition 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical class C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical class [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical class [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical class [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 125000005396 acrylic acid ester group Chemical group 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 1
- 235000019289 ammonium phosphates Nutrition 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Chemical class 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000007614 solvation Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical class [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/30—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic using agents to prevent the granules sticking together; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fertilizers (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Glanulating (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP45005555A JPS4917104B1 (es) | 1970-01-20 | 1970-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO125442B true NO125442B (es) | 1972-09-11 |
Family
ID=11614428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO1634/70A NO125442B (es) | 1970-01-20 | 1970-04-29 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3660070A (es) |
| JP (1) | JPS4917104B1 (es) |
| BE (1) | BE750446A (es) |
| DE (1) | DE2022446C3 (es) |
| DK (1) | DK124877B (es) |
| ES (1) | ES379685A1 (es) |
| FI (1) | FI52821C (es) |
| FR (1) | FR2074840A5 (es) |
| GB (1) | GB1310620A (es) |
| NL (1) | NL151639B (es) |
| NO (1) | NO125442B (es) |
| SE (1) | SE354577B (es) |
Families Citing this family (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4015970A (en) * | 1968-09-06 | 1977-04-05 | Airwick Industries, Inc. | Granular products for soil treatment |
| US3953192A (en) * | 1973-01-15 | 1976-04-27 | Chevron Research Company | Non-caking hydroxy-aluminum polymer-coated ammonium salt compositions |
| FR2214514A1 (en) * | 1973-01-22 | 1974-08-19 | Produits Ind Cie Fse | Anti-agglomeration additives - comprising alkaline earth salts of alkyl arylsulphonates, for use with salt and fertiliser compsns. |
| US4023955A (en) * | 1973-03-02 | 1977-05-17 | General Portland, Inc. | Controlled release fertilizer |
| US4001378A (en) * | 1973-12-03 | 1977-01-04 | Petrochemicals Company, Inc. | Anti-caking of nitrogenous materials |
| JPS53119120A (en) * | 1977-03-25 | 1978-10-18 | Silver Seiko | Typewriter |
| US4190427A (en) * | 1977-05-04 | 1980-02-26 | General Foods Corporation | Plant care composition |
| US4190428A (en) * | 1977-05-04 | 1980-02-26 | General Foods Corporation | Plant treating composition |
| US4942254A (en) * | 1981-11-05 | 1990-07-17 | Union Oil Company Of California | Methods for acid catalyzed reactions |
| US5105043A (en) * | 1981-11-05 | 1992-04-14 | Union Oil Company Of California | Sulfuric acid catalysis and methods of use for isomerization of hydrocarbons |
| US5149355A (en) * | 1981-11-05 | 1992-09-22 | Union Oil Company Of California | Adduct compositions |
| US5035737A (en) * | 1981-11-05 | 1991-07-30 | Union Oil Company Of California | Herbicide compositions |
| US4910356A (en) * | 1981-11-05 | 1990-03-20 | Union Oil Company Of California | Acid catalyzed reduction |
| US5374608A (en) * | 1981-11-05 | 1994-12-20 | Union Oil Company Of California | Compositions containing adducts and surfactants |
| US4885425A (en) * | 1981-11-05 | 1989-12-05 | Union Oil Company Of California | Alkylation |
| US5057584A (en) * | 1981-11-05 | 1991-10-15 | Union Oil Company Of California | Sulfuric acid adduct-catalyzed polymerization |
| US4935048A (en) * | 1981-11-05 | 1990-06-19 | Union Oil Company Of California | Cellulosic compositions and methods for treating cellulosic materials |
| US4686017A (en) * | 1981-11-05 | 1987-08-11 | Union Oil Co. Of California | Electrolytic bath and methods of use |
| US5116916A (en) * | 1982-11-17 | 1992-05-26 | Union Oil Company Of California | Acid catalyzed reactions |
| US4910179A (en) * | 1981-11-05 | 1990-03-20 | Union Oil Company Of California | ID catalyzed reactions and compositions for use therein |
| US4877869A (en) * | 1981-11-05 | 1989-10-31 | Union Oil Company Of California | Acid catalyzed nitration |
| US5099014A (en) * | 1981-11-05 | 1992-03-24 | Young Donald C | Demetallizing organometallic compounds using sulphuric acid-urea adducts |
| US4722986A (en) * | 1981-11-05 | 1988-02-02 | Union Oil Company Of California | Acid catalysts and methods of use |
| JPS58148181A (ja) * | 1982-02-26 | 1983-09-03 | 鹿島建設株式会社 | タワ−クレ−ン用通信装置 |
| US5252117A (en) * | 1982-11-17 | 1993-10-12 | Union Oil Company Of California | Cellulosic compositions |
| US4831056A (en) * | 1982-11-17 | 1989-05-16 | Union Oil Company Of California | Pesticidal compositions and methods for controlling pests |
| US4931079A (en) * | 1982-11-17 | 1990-06-05 | Union Oil Company Of California | Scarifying plant seeds |
| US4931061A (en) * | 1982-11-26 | 1990-06-05 | Union Oil Company Of California | Plant seed compositions |
| US4839088A (en) * | 1982-11-26 | 1989-06-13 | Union Oil Company Of California | Polysaccharide compositions |
| US4966620A (en) * | 1982-11-26 | 1990-10-30 | Union Oil Company Of California | Methods for facilitating the harvest of food crops |
| DE3319345A1 (de) * | 1983-05-27 | 1984-11-29 | Skw Trostberg Ag, 8223 Trostberg | Stickstoffduengemittel mit langzeitwirkung und verfahren zu seiner herstellung |
| US5105040A (en) * | 1985-08-30 | 1992-04-14 | Union Oil Company Of California | Acid catalyzed oxidative reactions |
| JPH0696475B2 (ja) * | 1986-05-21 | 1994-11-30 | 花王株式会社 | 肥料の固結防止剤 |
| US4772308A (en) * | 1986-09-08 | 1988-09-20 | Intevep, S.A. | Anti-caking composition |
| JPH0474522A (ja) * | 1990-07-16 | 1992-03-09 | Tosoh Corp | 粉体の固結防止方法 |
| US5204024A (en) * | 1990-07-16 | 1993-04-20 | Tosoh Corporation | Method for preventing agglomeration of powder |
| FR2724851B1 (fr) * | 1994-09-26 | 1997-01-17 | Francais Prod Ind Cfpi | Composition simultanement antimottante et hydrophobante pour sels, engrais simples et complexes et procede de mise en oeuvre |
| EP1343578A2 (en) * | 2000-12-19 | 2003-09-17 | The Lubrizol Corporation | Aminosulfonate product-treated nitrogen-containing salt particles |
| CN107188656A (zh) * | 2016-10-26 | 2017-09-22 | 江西先益农生物科技有限公司 | 一种粉剂有机无机水溶肥料及其制备方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3169053A (en) * | 1960-07-27 | 1965-02-09 | Minerals & Chem Philipp Corp | Method of rendering fertilizer granules non-caking |
| US3230038A (en) * | 1962-05-04 | 1966-01-18 | Phillips Petroleum Co | Storage stability of ammonium nitrate |
| GB1109665A (en) * | 1965-03-29 | 1968-04-10 | Kao Corp | Method of preventing the caking of substancesapt to cake |
-
1970
- 1970-01-20 JP JP45005555A patent/JPS4917104B1/ja active Pending
- 1970-04-29 DK DK217370AA patent/DK124877B/da unknown
- 1970-04-29 NO NO1634/70A patent/NO125442B/no unknown
- 1970-04-30 US US33520A patent/US3660070A/en not_active Expired - Lifetime
- 1970-05-08 DE DE2022446A patent/DE2022446C3/de not_active Expired
- 1970-05-12 SE SE06489/70A patent/SE354577B/xx unknown
- 1970-05-13 FR FR7017356A patent/FR2074840A5/fr not_active Expired
- 1970-05-14 ES ES379685A patent/ES379685A1/es not_active Expired
- 1970-05-14 NL NL707006964A patent/NL151639B/xx not_active IP Right Cessation
- 1970-05-15 BE BE750446D patent/BE750446A/xx not_active IP Right Cessation
- 1970-05-18 GB GB2386170A patent/GB1310620A/en not_active Expired
- 1970-05-22 FI FI701447A patent/FI52821C/fi active
Also Published As
| Publication number | Publication date |
|---|---|
| FI52821C (fi) | 1977-12-12 |
| US3660070A (en) | 1972-05-02 |
| FI52821B (es) | 1977-08-31 |
| ES379685A1 (es) | 1972-08-01 |
| DK124877B (da) | 1972-12-04 |
| NL151639B (nl) | 1976-12-15 |
| NL7006964A (es) | 1971-07-22 |
| GB1310620A (en) | 1973-03-21 |
| JPS4917104B1 (es) | 1974-04-26 |
| DE2022446A1 (de) | 1971-07-29 |
| SE354577B (es) | 1973-03-19 |
| DE2022446C3 (de) | 1975-08-28 |
| DE2022446B2 (de) | 1975-01-23 |
| BE750446A (fr) | 1970-10-16 |
| FR2074840A5 (es) | 1971-10-08 |
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