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发明名称
COLLAPSIBLE LADDER
摘要
申请公布号
EP0527766(B1)
申请公布日期
1996.06.05
申请号
EP19910907537
申请日期
1991.04.10
申请人
BERTSCHI, BRUNO
发明人
WESTON, JAMES, THOMAS;WESTON, RICHARD
分类号
E06C1/22;E06C1/12;(IPC1-7):E06C1/12
主分类号
E06C1/22
代理机构
代理人
主权项
地址
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