TREA

Masamitsu Tamura

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  • Yamaguchi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for produced stepped tubes
    • Patent number 4,534,199
    • Issue date Aug 13, 1985
    • Kabushiki Kaisha Kobe Seiko Sho
    • Kazuhide Takaishi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...