71681652
Feb 14, 1955
Mar 12, 1957
WORM CUTTER MILLING MACHINES; CUTTING TOOLS-NAMELY, BROACHES; MILLING TOOLS, HOBBING TOOLS, WORM HOBS WITH SYMMETRICAL HOBBING PTOFILE, THREAD HOBS, FORMING HOBS, INSERTED TOOTH MILLING CUTTERS, WORM HOBS WITH ASYMMETRICAL HOBBING PROFILE
Yarns and Threads