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发明名称
Apparatus for sinking piles
摘要
申请公布号
US2354936(A)
申请公布日期
1944.08.01
申请号
US19410423028
申请日期
1941.12.15
申请人
EMMA C. BIGNELL
发明人
BIGNELL EDWARD
分类号
E02D7/24
主分类号
E02D7/24
代理机构
代理人
主权项
地址
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