G10K 9/16 with means for generating current by muscle power
Introduced: September 1968
Title
Titles differ between systems:
IPC: with means for generating the current by muscle power
CPC: with means for generating current by muscle power
Full Title
Full titles differ between systems:
Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers > electrically operated > with means for generating the current by muscle power
Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers (loudspeakers or like acoustic electromechanical transducers H04R) > electrically operated > with means for generating current by muscle power
No child classifications to compare. This is a leaf node in both IPC and CPC.