CPC Subgroup
E06B 1/56 Fastening frames to the border of openings
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) > Fastening frames to the border of openings
2 direct subcodes
Child Classifications
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