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1 result for “Owens-Corning Fiberglas”

1. Patent · January 28, 1969

   Method for separating asbestos fibers from foreign solids (US Patent 3,424,307, 1969)

   …It was assigned to Johns Manville. The patent's description opens: This invention relates to the cleaning of asbestos fibers and particularly to a system where the asbestos fibers to be cleaned are incorporated into a…