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发明名称
Driving or extracting piles or like members
摘要
申请公布号
US2867984(A)
申请公布日期
1959.01.13
申请号
US19550542006
申请日期
1955.10.21
申请人
JACQUES DESVAUX;FRANCOIS BERTHET
发明人
DESVAUX JACQUES;BERTHET FRANCOIS
分类号
E02D11/00
主分类号
E02D11/00
代理机构
代理人
主权项
地址
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