| 摘要 |
The assembly device consists of two moulded parts (1, 1'), which are identical to each other, each being disposed, in a fixed manner, partially inside the upper end of each truss beam (2, 2'), the moulded part (1) being disposed head-to-tail with respect to the moulded part (1') and the two parts (1, 1') engaging with each other with a view to providing the assembly and the fixing of the two truss beams (2, 2') simply by fitting together. …<IMAGE>… |
