DIFF Subgroup
H01Q 1/273 Full Title
Details of, or arrangements associated with, antennas (arrangements for varying orientation of directional pattern H01Q3/00) > Adaptation for use in or on movable bodies (H01Q1/08, H01Q1/12, H01Q1/18 take precedence)
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.