DIFF Subgroup
F28F 19/01 by using means for separating solid materials from heat-exchange fluids, e.g. filters
Introduced: January 1995
Full Title
Preventing the formation of deposits or corrosion, e.g. by using filters > by using means for separating solid materials from heat-exchange fluids, e.g. filters
No child classifications to compare. This is a leaf node in both IPC and CPC.