US PATENT SUBCLASS 73 / 31.04
.~ Pressure

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

23.2  DF  GAS ANALYSIS {15}
31.04.~ Pressure

DEFINITION

Classification: 73/31.04

Pressure:

(under subclass 23.2) Subject matter wherein the force per unit area exerted by the gas on a surface is measured.