TREA

Toshitaka Sunahara

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  • Seki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Collapsible tube and method of manufacture
    • Patent number 4,200,051
    • Issue date Apr 29, 1980
    • Kyodo Insatsu Kabushiki Kaisha
    • Yoshihiko Nakahara
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...