TREA

Sanno Tekko Kabushiki Kaisha

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  • Tokyo, JP
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  • Information Patent Grant

    Elastic roll for applying back tension
    • Patent number 5,322,229
    • Issue date Jun 21, 1994
    • Sanno Tekko Kabushiki Kaisha
    • Toshio Imada
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

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