71559380
Feb 7, 1948
Dec 27, 1949
ENGINE TIMING CHAINS AND SPROCKETS; INDUSTRIAL SILENT AND ROLLER CHAINS AND SPROCKETS; SPEED REDUCERS AND FLEXIBLE COUPLINGS; FREE-WHEELING INDUSTRIAL CLUTCHES AND CHAIN COUPLINGS; VARIABLE SPEED CONTROLS; REDUCTION AND REVERSE GEARS AND TRANSFER DRIVES FOR MARINE ENGINES; AMMUNITION HOIST CHAINS AND SPROCKETS; AND GEAR WHEELS
Yarns and Threads