1 result for “Owens-Corning Fiberglas”
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Patent · March 12, 1968
Material for Hot-Top (US Patent 3,373,047, 1968)
…1968, filed October 6, 1964. The patent's description opens: The present invention relates to a refractory material for use in hot topping and, more particularly, to a hot top refractory panel or board which contacts…