US PATENT SUBCLASS 432 / 24
.~.~ Modulating or stabilizing pressure or temperature


Current as of: June, 1999
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432 /   HD   HEATING

1  DF  PROCESSES OF HEATING OR HEATER OPERATION {14}
19  DF  .~ Controlling flame position or work atmosphere {7}
24.~.~ Modulating or stabilizing pressure or temperature


DEFINITION

Classification: 432/24

(under subclass 19) Process including a step changing an operational parameter to produce or maintain a desired pressure in the work zone, or temperature of the work or its surrounding atmosphere.