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发明名称
COLLAPSIBLE DAMS
摘要
申请公布号
GB2045843(A)
申请公布日期
1980.11.05
申请号
GB19800009561
申请日期
1980.03.21
申请人
PIRELLI FURLANIS AIG SPA
发明人
分类号
E02B7/20;E02B7/00;(IPC1-7):E02B7/20
主分类号
E02B7/20
代理机构
代理人
主权项
地址
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