DIFF Subgroup
G09G 3/02 by tracing or scanning a light beam on a screen
Introduced: January 1980
Full Title
Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes > by tracing or scanning a light beam on a screen
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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