DIFF Subgroup
G09G 3/001 Full Title
Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
G09G 3/001 Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.