| 摘要 |
PCT No. PCT/SE96/01081 Sec. 371 Date Apr. 23, 1997 Sec. 102(e) Date Apr. 23, 1997 PCT Filed Sep. 2, 1996 PCT Pub. No. WO97/09496 PCT Pub. Date Mar. 13, 1997An elongate beam that is constructed of a sheet metal having expanded metal sections. The beam has a closed profile that has at least two side sections made with the expanded metal. The opposite side edges of the sheet metal are attached to one another so that the sheet metal forms a closed beam structure. |
