TREA

Jury F. Vabaoya

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  • Tallin, SU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Heat-insulating material
    • Patent number 4,172,042
    • Issue date Oct 23, 1979
    • Karl R. Kiisler
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES