72428133
Jun 23, 1972
Jul 31, 1973
CONDUITS, MADE OF POLYMERIC MATERIAL, SUCH AS POLYMERS AND CO-POLYMERS OF POLY-VINYL CHLORIDE, ACRYLONITRILEBUTADIENE-SYRENE, POLYETHYLENE, PHENYLENE OXIDE, CELLULOSE ACETATE, CELLULOSE ACETATE BUTYRATE, STYRENE-RUBBER, POLYSTYRENE AND COPOLYMERS THEREOF
Firearms