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Watoku Co., Ltd.

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  • Tokyo, JP
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  • Information Patent Grant

    Spacer nut manufacturing method
    • Patent number 8,262,492
    • Issue date Sep 11, 2012
    • Watoku Co., Ltd.
    • Yasuyuki Kadono
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

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