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Itaya Seisakusho Co., Ltd.

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spring winding machine
    • Patent number 4,227,392
    • Issue date Oct 14, 1980
    • Itaya Seisakusho Co., Ltd.
    • Reijiro Itaya
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...