1 result for “Owens-Corning Fiberglas”
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Patent · December 15, 1959
Pipe machining tool (US Patent 2,916,955, 1959)
…filed June 22, 1956. The patent's description opens (from the scanned text): The present invention relates to improvements in a pipe machining tool, and has particular reference to a tool for machining a tapered or…