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发明名称
METHOD OF ERECTING A RETAINING WALL
摘要
申请公布号
PL113100(B2)
申请公布日期
1980.11.29
申请号
PL19780204263
申请日期
1978.01.25
申请人
发明人
分类号
E02D;E02D29/02;(IPC1-7):E02D29/02
主分类号
E02D
代理机构
代理人
主权项
地址
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