US PATENT SUBCLASS 60 / 693
.~.~ Plural heat exchangers
Current as of:
June, 1999
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60 /
HD
POWER PLANTS
685
DF
MOTOR HAVING EXHAUST FLUID TREATING OR HANDLING MEANS
{6}
690
DF
.~ Motor and indirect heat exchanger {3}
693
.~.~ Plural heat exchangers
DEFINITION
Classification: 60/693
(under subclass 690) Apparatus, including plural physically distinct surface type heat exchangers.