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Eizi Aizawa

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  • Iwatsuki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lapped seam can
    • Patent number 4,117,188
    • Issue date Sep 26, 1978
    • Hokkai Can Co. Ltd.
    • Yuzo Takahashi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...