US PATENT SUBCLASS 165 / 71
WITH PURGE, OR DRAINAGE, COCK OR PLUG
Current as of:
June, 1999
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165 /
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HEAT EXCHANGE
71
WITH PURGE, OR DRAINAGE, COCK OR PLUG
DEFINITION
Classification: 165/71
(under the class definition) Apparatus having a discharge opening additional to the normal flow inlet and outlet of a heat exchanger and closed by a cock or plug, for removing material from a flow path of the heat exchanger.
