72361113
May 28, 1970
Oct 31, 1972
RAW GLASS AND PLASTIC MATERIAL TO BE USED IN THE MANUFACTURE OF WELDING GLARE PROTECTIVE DEVICES; NAMELY, PLATES AND SPECTACLE LENSES
ChemicalsWELDING GLARE PROTECTIVE GLASSES IN THE FORM OF PLATES, GOGGLES AND SPECTACLE LENSES MADE OF INORGANIC SILICATE GLASS AND PLASTIC MATERIAL
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