TREA

Takao Edamura

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Base plate for magnetic recording disc
    • Patent number 4,430,387
    • Issue date Feb 7, 1984
    • Hitachi, Ltd.
    • Nobuo Nakagawa
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...