CPC Subgroup
F23J 15/04 using washing fluids
Full Title
Arrangements of devices for treating smoke or fumes > of purifiers, e.g. for removing noxious material (traps for solid residues F23J3/04) > using washing fluids
F23J 15/04 Arrangements of devices for treating smoke or fumes > of purifiers, e.g. for removing noxious material (traps for solid residues F23J3/04) > using washing fluids