DIFF Subgroup
E06B 3/7015 Full Title
Window sashes, door leaves, or like elements for closing openings; Layout of fixed or moving closures, e.g. windows ; Features of rigidly-mounted outer frames relating to the mounting of wing frames (E06B5/00 takes precedence; shutters or the like E06B9/00; glass panes C03) > Door leaves (wing frames E06B3/04)
Of 13 combined children, 0 exist in both systems.
13 codes are CPC-only extensions.
Note: 12 CPC extensions are marked as secondary classification only.