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PCE
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DIFF Subgroup
H03C 1/34

by means of light-sensitive element

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Amplitude modulation > by means of light-sensitive element

CPC:

Amplitude modulation (H03C5/00, H03C7/00 take precedence) > by means of light-sensitive element

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