TREA

Syuji Maniwa

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  • Hiroshima, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rolling apparatus and a rolling method
    • Patent number 6,148,653
    • Issue date Nov 21, 2000
    • Mitsubishi Heavy Industries, Ltd.
    • Akira Sako
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...