CPC Subgroup
G05B 11/44 pneumatic only
Full Title
Automatic controllers (G05B13/00 takes precedence) > pneumatic only
3 direct subcodes
Child Classifications
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- G05B 11/46 without auxiliary power
- G05B 11/48 with auxiliary power
- G05B 11/58 with inputs from more than one sensing element; with outputs to more than one correcting element