| 摘要 |
The construction set has columns (10.1,10.2,10.3,10.4), two cross-beams (20.1,20.2) and common rafter (26), which are formed as string profile. One cross beam has a receiving profile for attaching additional pieces. The receiving profile is formed as mounting channel in the cross beam. A recess is provided in the common rafter for executing the cross beam. A roof element is carried from the common rafter. The string profile is made of aluminum.
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