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发明名称
Bearing pile construction
摘要
申请公布号
US2187319(A)
申请公布日期
1940.01.16
申请号
US19380242089
申请日期
1938.11.23
申请人
GREULICH GERALD G
发明人
GREULICH GERALD G.
分类号
E02D5/54
主分类号
E02D5/54
代理机构
代理人
主权项
地址
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