72392881
May 24, 1971
Oct 17, 1972
RETARDERS FOR RAILROAD CLASSIFICATION YARDS AND PARTS THEREOF; PARTS FOR MACHINERY-NAMELY, BEARINGS, BEARING ADAPTERS, BEARING LININGS, BUSHINGS, COLLARS, GEAR BLANKS AND GEARS, COUPLINGS AND SLIPPERS FOR COUPLINGS, TUYERES AND ELECTRODE (TOOL) HOLDERS
Yarns and Threads