| 摘要 |
PCT No. PCT/NL95/00425 Sec. 371 Date Sep. 26, 1997 Sec. 102(e) Date Sep. 26, 1997 PCT Filed Dec. 18, 1995 PCT Pub. No. WO96/20318 PCT Pub. Date Jul. 4, 1996A system roof for prefabricated building construction has a pair of rafter beams, which are provided at end parts with couplings. The opposite end parts have vertically directed posts for connection to a gable wall. The pairs of rafter beams are connected to each other by means of running joists. Such a system roof can be used for construction of a building or for interchange with an existing roof.
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