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1 result for “Owens-Corning Fiberglas”

  1. Patent · September 27, 1921

    Insulating and building material consisting of a mixture of marl and cellulosic fibre (US Patent 1,392,127, 1921)

    …March 11, 1920. The patent's description opens (from the scanned text): The present invention relates to a method of producingof such marl a mass or material for insulating heating and refrigerating plants and installations, and…