DIFF Subgroup
H01H 31/122 Full Title
Air-break switches for high tension without arc-extinguishing or arc-preventing means (in combination with high tension or heavy-current switches with arc-extinguishing or arc-preventing means H01H33/00) > Details > Adaptation for built-in fuse
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.