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经营范围
发明名称
Pile foundation construction
摘要
申请公布号
US2086977(A)
申请公布日期
1937.07.13
申请号
US19350037621
申请日期
1935.08.24
申请人
PAUL CHAPMAN
发明人
CHAPMAN PAUL
分类号
E02D27/14
主分类号
E02D27/14
代理机构
代理人
主权项
地址
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