CPC Subgroup
C23G 1/205 Full Title
Cleaning or pickling metallic material with solutions or molten salts (with organic solvents C23G5/02) > with alkaline solutions > Other heavy metals
C23G 1/205 Cleaning or pickling metallic material with solutions or molten salts (with organic solvents C23G5/02) > with alkaline solutions > Other heavy metals