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PCE
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DIFF Subgroup
H04R 1/42

Combinations of transducers with fluid-pressure or other non-electrical amplifying means

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Details of transducers > Combinations of transducers with fluid-pressure or other non-electrical amplifying means

CPC:

Details of transducers, > Combinations of transducers with fluid-pressure or other non-electrical amplifying means

No child classifications to compare. This is a leaf node in both IPC and CPC.