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发明名称
Method for lining pile shells
摘要
申请公布号
US1893011(A)
申请公布日期
1933.01.03
申请号
US19320602488
申请日期
1932.04.01
申请人
RAYMOND CONCRETE PILE COMPANY
发明人
WATT ELIHU D.
分类号
E02D5/66;E02D7/30
主分类号
E02D5/66
代理机构
代理人
主权项
地址
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