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发明名称
METHOD OF LINING INDUSTRIAL WELLS
摘要
申请公布号
PL141211(B1)
申请公布日期
1987.07.31
申请号
PL19820237838
申请日期
1982.08.04
申请人
发明人
分类号
E02D15/08;E03B;(IPC1-7):E02D15/08
主分类号
E02D15/08
代理机构
代理人
主权项
地址
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