TREA

Hideharu Yamamoto

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for molding powders
    • Patent number 5,030,401
    • Issue date Jul 9, 1991
    • NKK Corporation
    • Hiroaki Nishio
    • B22 - CASTING POWDER METALLURGY