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发明名称
Apparatus for sinking forms for concrete piles
摘要
申请公布号
US2239872(A)
申请公布日期
1941.04.29
申请号
US19390264109
申请日期
1939.03.25
申请人
BEPLAT EMANUEL T
发明人
BEPLAT EMANUEL T.
分类号
E02D7/28
主分类号
E02D7/28
代理机构
代理人
主权项
地址
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