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Classification
F23N
F23N2033/00
ClassID:
157310
⎘
F23N2033/00 - CPC Classification
Classification description:
Sub-classes:
F23N2033/02 »
in stacks
3
F23N2033/06 »
at the air intake
7
F23N2033/10 »
forcing air through heat exchangers
8