72184118
Jan 6, 1964
Mar 16, 1965
POLISHING COMPOUNDS FOR POLISHING OPTICAL GLASS, INCLUDING LENSES, PRISMS AND MIRRORS, CURVED AND FLAT GLASS ARTICLES, INCLUDING TELEVISION AND OPHTHALMIC GLASS, TABLE GLASSWARE AND DINNERWARE, NATURAL AND SYNTHETIC GEMS FOR LAPIDARY AND MONUMENT USES, PLASTIC AND RESIN ARTICLES FOR OPTICAL PURPOSES, METALS AND OTHER MATERIALS REQUIRING A HIGH DEGREE OF SURFACE FINISHING AND CONSISTING PRINCIPALLY OF OR CONTAINING RARE EARTH OXIDES, INCLUDING CERIUM OR ZIRCONIUM OXIDES AND MIXTURES OF THE SAME
Lubricants and Fuels