Nils G. Schrewelius

Person

  • Hallstahammar, SW

Patents Grantslast 30 patents

  • Information Patent Grant

    Heat resistant material

    • Patent number 4,016,313
    • Issue date Apr 5, 1977
    • Bulten-Kanthal Aktiebolag
    • Nils G. Schrewelius
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES