DIFF Subgroup
F01K 25/04 the fluid being in different phases, e.g. foamed
Introduced: September 1968
Full Title
Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for > the fluid being in different phases, e.g. foamed
No child classifications to compare. This is a leaf node in both IPC and CPC.