DIFF Subgroup
G09G 1/28 using colour tubes
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 colour tubes
CPC:
Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; (cathode-ray oscilloscopes G01R13/20; ) > using colour tubes
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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