1 result for “Owens-Corning Fiberglas”
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Patent · September 18, 1956
Cement mortar composition of matter (US Patent 2,763,561, 1956)
…1952. The patent's description opens (from the scanned text): The present invention relates to a cementitious bonding composition of matter which contains a critical percentage of asbestos fiber for imparting to such composition desirable characteristics…