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Method of manufacturing a V-pulley
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Patent number 5,651,181
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Issue date Jul 29, 1997
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Nippondenso Co., Ltd.
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Hiroshi Shohara
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Die-casting method
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Patent number 4,497,359
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Issue date Feb 5, 1985
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Nippondenso Co., Ltd.
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Haruo Suzuki
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B22 - CASTING POWDER METALLURGY
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Die-casting method
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Patent number 4,446,907
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Issue date May 8, 1984
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Nippondenso Co., Ltd.
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Haruo Suzuki
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B22 - CASTING POWDER METALLURGY
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Die-casting method
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Patent number 4,380,261
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Issue date Apr 19, 1983
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Nippondenso Co., Ltd.
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Haruo Suzuki
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B22 - CASTING POWDER METALLURGY