US PATENT SUBCLASS 73 / 274
.~.~.~ Diaphragm meter type

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

861  DF  VOLUME OR RATE OF FLOW {23}
272 R  DF  .~ Element {7}
273  DF  .~.~ Casing {1}
274.~.~.~ Diaphragm meter type

DEFINITION

Classification: 73/274

(under subclass 273) Meter casing structures limited to use with diaphragm meters.