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• Decade: 1920s ×
• Written by: Drambour Rudolphe ×
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1 result for “Owens-Corning Fiberglas”

1. Patent · July 7, 1925

   Process of Purifying Asbestos and Fabricating Asbestos Materials (US Patent 1,545,132, 1925)

   …1919. The patent's description opens (from the scanned text): My invention has for its object to treat the fiber in such manner that the impurities associated by nature therewith are removed and the fiber put…