73059846
Aug 7, 1975
Jan 3, 1978
LENS AND OTHER OPTICAL MATERIALS GENERATING MACHINES, LENS AND OTHER OPTICAL MATERIALS GRINDING MACHINES, LENS AND OTHER OPTICAL MATERIALS SMOOTHING MACHINES, LENS AND OTHER OPTICAL MATERIALS POLISHING MACHINES, LENS AND OTHER OPTICAL MATERIALS BLOCKING MACHINES, LENS AND OTHER OPTICAL MATERIALS EDGING MACHINES, GLASS WORKING MACHINES, GLASS POLISHING MACHINES, GLASS FORMING MACHINES, GLASS SHEET EDGING MACHINES; MACHINES FOR MARKING LENSES, MACHINES FOR WORKING QUARTZ AND CERAMIC MATERIALS; AND PARTS FOR ALL SUCH MACHINES INCLUDING ABRASIVE GRINDING WHEELS AND DIAMOND IMPREGNATED ABRASIVE GRINDING WHEELS
Machinery