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Method for preparing magnetic powder
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Patent number 4,945,049
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Issue date Jul 31, 1990
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Research Development Corporation
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Toru Hamaya
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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FR-900848 substance and preparation thereof
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Patent number 4,803,074
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Issue date Feb 7, 1989
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Fujisawa Pharmaceutical Co., Ltd.
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Masaru Yoshida
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C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
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Process for producing gamma-cyclodextrins
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Patent number 4,418,144
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Issue date Nov 29, 1983
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Nihon Shokuhin Kako Co., Ltd.
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Minoru Okada
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Process for production of cyclodextrin
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Patent number 4,135,977
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Issue date Jan 23, 1979
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Rikagaku Kenkyusho
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Koki Horikoshi
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C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...