TREA

Kozo Odawara

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  • Chiba, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing glass
    • Patent number 4,256,495
    • Issue date Mar 17, 1981
    • Hitachi, Ltd.
    • Hiromitsu Kawamura
    • C03 - GLASS MINERAL OR SLAG WOOL