TREA

Kabushiki Kaisha Itaya

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  • Tokyo, JP
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  • Information Patent Grant

    Coil spring manufacturing apparatus
    • Patent number 4,669,289
    • Issue date Jun 2, 1987
    • Kabushiki Kaisha Itaya
    • Reijiro Itaya
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

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