DIFF Subgroup
G12B 15/04 by currents of fluid, e.g. air, in open cycle
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Cooling > by currents of fluid, e.g. air, in open cycle
CPC:
Cooling (by refrigeration, e.g. circulation of refrigerated fluid, F25D; heat-exchange or heat-transfer details of general application F28F) > by currents of fluid, e.g. air, in open cycle
No child classifications to compare. This is a leaf node in both IPC and CPC.