US PATENT SUBCLASS 417 / 900
SLURRY PUMPS (E.G., CONCRETE)

Current as of: June, 1999
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417 /   HD   PUMPS

900SLURRY PUMPS (E.G., CONCRETE)

DEFINITION

Classification: 417/900

Pumps which are disclosed as pumping slurries; i.e., fluids which contain suspended solids, such as concrete.