71507044
Aug 8, 1946
Apr 5, 1949
POWER TRANSMISSION CHAINS AND PARTS THEREOF, ((INCLUDING BUT NOT LIMITED TO)) BICYCLE CHAINS ((AND MOTORCYCLE CHAINS, SPROCKETS AND SPROCKET WHEELS FOR USE WITH POWER TRANSMISSION CHAINS, CONVEYOR CHAINS AND PARTS THEREOF, AND CHAIN TYPE FLEXIBLE SHAFT-COUPLINGS,)) AND PARTS THEREOF
Yarns and Threads