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Nihon Pakkin Co., Ltd.

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  • Iwata-gun, JP
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  • Information Patent Grant

    Manufacturing method for cylindrical part
    • Patent number 7,082,805
    • Issue date Aug 1, 2006
    • Denso Corporation
    • Shinichi Ezaka
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

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