DIFF Subgroup
C23C 4/02 Pretreatment of the material to be coated, e.g. for coating on selected surface areas
Introduced: January 1985
Full Title
Full titles differ between systems:
IPC:
Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge > Pretreatment of the material to be coated, e.g. for coating on selected surface areas
CPC:
Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge (build-up welding B23K, e.g. B23K5/18, B23K9/04) > Pretreatment of the material to be coated, e.g. for coating on selected surface areas
No child classifications to compare. This is a leaf node in both IPC and CPC.