DIFF Subgroup
H03C 1/16 by means of discharge device having at least three electrodes (H03C1/28 - H03C1/34, H03C1/50, H03C1/52, H03C1/62 take precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: by means of discharge device having at least three electrodes
CPC: by means of discharge device having at least three electrodes (H03C1/28 - H03C1/34, H03C1/50, H03C1/52, H03C1/62 take precedence)
Full Title
Full titles differ between systems:
IPC:
Amplitude modulation > by means of discharge device having at least three electrodes
CPC:
Amplitude modulation (H03C5/00, H03C7/00 take precedence) > by means of discharge device having at least three electrodes (H03C1/28 - H03C1/34, H03C1/50, H03C1/52, H03C1/62 take precedence)
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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