| 摘要 |
The device has a support profile (1) with a groove (7) delimited by two ends (8,9), where each end includes a hollow impression (10,11), respectively. A connecting part (12) has two lateral sides (22,23) that are parallel to the profile ends. Each side of the part (12) has respective relief notches (26,27) that cooperate with the impressions on the profile ends. The part (12) has a hole (15) to assemble it with a rafter.
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