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IPC Subgroup
F28F 23/02

Arrangements for obtaining or maintaining same in a liquid state

Introduced: September 1968

Last revised: January 2006

Full Title

Features relating to the use of intermediate heat-exchange materials, e.g. selection of compositions > Arrangements for obtaining or maintaining same in a liquid state

Classification Context

Section:
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:
HEAT EXCHANGE IN GENERAL
Subclass:
DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION

Related Keywords

ANTIFREEZE MATERIALS