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Sliding material
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Patent number 5,326,384
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Issue date Jul 5, 1994
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Taiho Kogyo Co., Ltd.
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Eiji Asada
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Sliding material
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Patent number 5,303,617
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Issue date Apr 19, 1994
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Taiho Kogyo Co., Ltd.
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Eiji Asada
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B22 - CASTING POWDER METALLURGY
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Sliding material
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Patent number 5,279,638
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Issue date Jan 18, 1994
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Taiho Kogyo Co., Ltd.
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Eiji Asada
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B22 - CASTING POWDER METALLURGY
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