US PATENT SUBCLASS 73 / 861.73
.~.~ Impact of particulate material

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

861  DF  VOLUME OR RATE OF FLOW {23}
861.71  DF  .~ By measuring thrust or drag forces {3}
861.73.~.~ Impact of particulate material

DEFINITION

Classification: 73/861.73

Impact of particulate material:

(under subclass 861.71) Subject matter wherein the fluid is particulate material and the object is an impact plate.