发明名称 Scaffolding tube with connecting head
摘要 The connecting head (25) for scaffolds with connecting devices has a connection region (30) which comprises centring lugs (60) and possesses an annular abutment surface (51) and a conical surface (55) for creating favourable welding conditions. …<IMAGE>…
申请公布号 EP0423516(B2) 申请公布日期 2001.03.07
申请号 EP19900118546 申请日期 1990.09.27
申请人 LANGER, RUTH, GEB. LAYHER 发明人 LANGER, RUTH, GEB. LAYHER
分类号 E04G7/00;E04G7/30;E04G7/32;(IPC1-7):E04G7/30 主分类号 E04G7/00
代理机构 代理人
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