More topics under "G05 - Controlling; Regulating" (374,136) |
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G05B - Control or regulating systems in general; Functional elements of such systems; Monitoring or testing arrangements for such systems or elements (186,903) |
G05D - Systems for controlling or regulating non-electric variables (112,169) |
G05F - Systems for regulating electric or magnetic variables (51,916) |
G05G - Control devices or systems insofar as characterised by mechanical features only (23,148) |