71398369
Oct 11, 1937
Apr 12, 1938
GEAR MANUFACTURING EQUIPMENT-NAMELY, CHINES FOR FINISHING, SHAVING, LAPPING AND CHECKING GEARS; BROACHING TOOLS AND MACHINES; SPLINE GRINDERS; FLAT SEAL FACE GRINDING MACHINES; GEAR TOOTH FORM GRINDERS; GEAAR TOOTH SHAPER CUTTERS, FORM AND SHAVING TOOLS FOR GEARS, LAPPING TOOLS AND HOLDERS THEREFOR.
Yarns and Threads