DIFF Subgroup
F28C 1/14 comprising also a non-direct contact heat exchange
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
Direct-contact trickle coolers, e.g. cooling towers > comprising also a non-direct contact heat exchange
CPC:
Direct-contact trickle coolers, e.g. cooling towers (building construction E04H5/12; enclosed spaces cooled by trickle F25; components parts of trickle coolers F28F25/00; ) > comprising also a non-direct contact heat exchange
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Note: 1 CPC extensions are marked as secondary classification only.
Child Classifications
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