ClassID:

134259

E06B1/20 - CPC Classification

Classification description:

Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings; Frames for doors, windows, or the like to be fixed in openings; Metal frames composed of several parts with respect to the cross-section of the frame itself adjustable with respect to the thickness of walls

Recent Application in this class: