| 摘要 |
The invention concerns a modular door frame system, characterised by a first half-frame (1) on the inside and a second half-frame (2) on the outside each formed by two door posts (5) and a crossbar (4). The invention is further characterised in that one of the posts (5) and/or the crossbar (4) of one of the half-frames (1, 2) has a streamlined compartment (19) for housing a feed line (20). |
