US PATENT SUBCLASS 165 / DIG 72
AGITATOR OR IMPELLER MOTOR OPERATED BY FIRST HEAT EXCHANGE FLUID
Current as of:
June, 1999
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165 /
HD
HEAT EXCHANGE
DIG 72
AGITATOR OR IMPELLER MOTOR OPERATED BY FIRST HEAT EXCHANGE FLUID
{1}
DIG 73
DD
.~
> To agitate or move second heat exchange fluid {2}