of aluminium

Patents Grantslast 30 patents

  • Information Patent Grant

    Pump member for molten metal

    • Patent number 3,930,875
    • Issue date Jan 6, 1976
    • Tokyo Shibaura Electric Co., Ltd.
    • Toshihiko Ochiai
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents