US PATENT SUBCLASS 261 / 35
.~.~.~ Gas operated
Current as of:
June, 1999
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261 /
HD
GAS AND LIQUID CONTACT APPARATUS
19
DF
FLUID DISTRIBUTION
{5}
24
DF
.~ Pumping {5}
34.1
DF
.~.~ Liquid {4}
35
.~.~.~ Gas operated
DEFINITION
Classification: 261/35
Pump operated by energy derived from contact-gases.
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