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PCE
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DIFF Subgroup
G09G 1/24

using tubes permitting selection of individual elements forming in combination a character

Introduced: January 1980

Full Title

Full titles differ between systems:

IPC:

Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators > using tubes permitting selection of individual elements forming in combination a character

CPC:

Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; (cathode-ray oscilloscopes G01R13/20; ) > using tubes permitting selection of individual elements forming in combination a character

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