CPC Subgroup
F23J 15/02 of purifiers, e.g. for removing noxious material (traps for solid residues F23J3/04)
Full Title
Arrangements of devices for treating smoke or fumes > of purifiers, e.g. for removing noxious material (traps for solid residues F23J3/04)
2 direct subcodes
Child Classifications
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- F23J 15/04 using washing fluids