DIFF Subgroup
F28B 1/06 using air or other gas as the cooling medium
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Condensers in which the steam or vapour is separated from the cooling medium by walls, e.g. surface condenser > using air or other gas as the cooling medium
CPC:
Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser > using air or other gas as the cooling medium
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
Note: 1 CPC extensions are marked as secondary classification only.
IPC defines codes here since 1980.
Child Classifications
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