US PATENT SUBCLASS 204 / FOR 924
.~.~ Gaseous fluid (204/230)

Current as of: June, 1999
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204 /   HD   CHEMISTRY: ELECTRICAL AND WAVE ENERGY

FOR 922  DF  ELECTROLYTIC CELLS WITH CURRENT CONTROL MEANS (204/228) {2}
FOR 923  DF  .~ With fluid pressure, flow, or level intercontrol (204/229) {1}
FOR 924.~.~ Gaseous fluid (204/230)

DEFINITION

Classification: 204/FOR.924

Gaseous fluid:

Foreign art collection under collection FOR923 in which the fluid is a gas.