US PATENT SUBCLASS 169 / 6
.~ Chemical pressure generating

Current as of: June, 1999
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169 /   HD   FIRE EXTINGUISHERS

5  DF  FLUID SYSTEMS {7}
6.~ Chemical pressure generating {1}
7  DF  .~.~> Automatic {1}

DEFINITION

Classification: 169/6

(under subclass 5) Systems, in which a liquid is discharged from its supply-tank by pressure generated by the reaction of chemicals mixed at the time discharge is to occur.