TREA

Toshiyuki Harada

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Patents Grantslast 30 patents

  • Information Patent Grant

    Heat treatment furnace
    • Patent number 6,767,504
    • Issue date Jul 27, 2004
    • Koyo Thermo Systems Co., Ltd.
    • Kiyoyuki Hattori
    • C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents