71593776
Mar 11, 1950
Sep 11, 1951
ASH-HANDLING APPARATUS-NAMELY, ASH CONVEYOR CONDUITS, ASH RECEIVERS, ASH SEPARATORS, AIR WASHERS, STEAM EXHAUSTERS, STEAM VALVES, ASH CONDITIONERS, PIPES AND FITTINGS, ALL OF WHICH ARE NORMALLY SOLD TOGETHER FOR CONJOINT USE IN PNEUMATICALLY OPERATED SYSTEMS FOR HANDLING ASH
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