DIFF Subgroup Additional Only
E06B 2003/26387 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) > Wing frames not characterised by the manner of movement (features relating to the manner of movement E06B3/32) > Frames with special provision for insulation
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Note: 2 CPC extensions are marked as secondary classification only.