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发明名称
Hydraulic pile driving hammer
摘要
申请公布号
US2798363(A)
申请公布日期
1957.07.09
申请号
US19560585439
申请日期
1956.05.17
申请人
RAYMOND CONCRETE PILE COMPANY
发明人
HAZAK JOHN T.;KINNEMAN WILLIAM P.
分类号
E02D7/10
主分类号
E02D7/10
代理机构
代理人
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地址
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