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经营范围
发明名称
Precast piling and splice joint therefor
摘要
申请公布号
US3046749(A)
申请公布日期
1962.07.31
申请号
US19590800575
申请日期
1959.03.19
申请人
RAYMOND INTERNATIONAL INC.
发明人
BLESSEY WALTER E.
分类号
E02D5/52
主分类号
E02D5/52
代理机构
代理人
主权项
地址
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