发明名称 A high strength telescopic arm
摘要 <p>A high-strength telescopic arm, which in cross-section comprises a plurality of straight segments (5) arranged in sequence; each end (6a, 6b) of each straight segment (5) connected to only one end (6a, 6b) of an adjacent straight segment (5), defining a closed section (3). The number of straight segments (5) is between seven and ten. <IMAGE></p>
申请公布号 EP1302435(A1) 申请公布日期 2003.04.16
申请号 EP20010830652 申请日期 2001.10.16
申请人 EFFER S.P.A. 发明人 GANZAROLLI, GUELFO;PERELLI, LUCA
分类号 B21C37/08;B66C23/687;B66C23/70;(IPC1-7):B66C23/697;B21D47/01 主分类号 B21C37/08
代理机构 代理人
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