DIFF Subgroup
E06B 1/702 Full Title
Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings (E06B5/00 takes precedence; features relating also to inner frames or wing frames, features relating solely to the mounting of inner frames E06B3/00; corner joints or edge joints E06B3/96) > Sills; Thresholds
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.