CPC Main Group Additional Only
F01N 2390/00 Arrangements for controlling or regulating exhaust apparatus
4 direct subcodes
Child Classifications
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- F01N 2390/02 using electric components only
- F01N 2390/04 using electropneumatic components
- F01N 2390/06 using pneumatic components only
- F01N 2390/08 using mechanical components only, e.g. actuated manually