US PATENT SUBCLASS 73 / 751
.~ Balance

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

700  DF  FLUID PRESSURE GAUGE {20}
751.~ Balance

DEFINITION

Classification: 73/751

Balance:

(under subclass 700) Subject matter wherein a container or containers containing communicating liquid columns is displaced when the liquid columns are subjected to the pressures to be measured.