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Hajime Oyabu

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  • Kawanishi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Low melting enamel frits
    • Patent number 4,493,900
    • Issue date Jan 15, 1985
    • Matsushita Electric Industrial Company, Limited
    • Atsushi Nishino
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Low melting, opaque enamel frit
    • Patent number 4,469,798
    • Issue date Sep 4, 1984
    • Matsushita Electric Industrial Company, Limited
    • Atsushi Nishino
    • C03 - GLASS MINERAL OR SLAG WOOL