US PATENT SUBCLASS 432 / 26
.~.~ By mode of admission of treating or protecting fluid

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}
26.~.~ By mode of admission of treating or protecting fluid

DEFINITION

Classification: 432/26

(under subclass 19) Process in which the control of the environment is accomplished by adjusting the rate, direction, or position of feed of a component of the work atmosphere.