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发明名称
Pile driver
摘要
申请公布号
US1905906(A)
申请公布日期
1933.04.25
申请号
US19300478434
申请日期
1930.08.28
申请人
KALTENBACH
发明人
KALTENBACH ROBERT W.;FRONEK ANTHONY
分类号
E02D7/16
主分类号
E02D7/16
代理机构
代理人
主权项
地址
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