71285181
Jun 6, 1929
Mar 11, 1930
CEMENT-MAKING MACHINERY-NAMELY, AGITATORS, CONVEYORS, COOLERS, CRUSHERS, DUST COLLECTORS, DRIERS, ELEVATORS, EXCAVATORS, EXTRACTORS, FANS, BLOWERS AND EXHAUSTERS, FEEDERS, GRINDING MILLS, PACKING MACHINES, POWER-TRANSMITTING DEVICES, PUG MILLS, PUMPS, SEPARATORS, SPEED REDUCERS, AND WASH-MILLS-AND PARTS THEREOF
Yarns and Threads