TREA

Hiroshi Tobitani

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Patents Grantslast 30 patents

  • Information Patent Grant

    Temporary heat-proof apparatus for use in repairing coke ovens
    • Patent number 4,268,360
    • Issue date May 19, 1981
    • Koritsu Machine Industrial Limited
    • Akira Tsuzuki
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Coke guide car
    • Patent number 4,248,562
    • Issue date Feb 3, 1981
    • Koritsu Kikai Kogyo Company Limited
    • Akira Tsuzuki
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...