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发明名称
METHOD OF AND TUBULAR ANCHOR FOR CONSOLIDATING AND STRENGTHENING ROCK MASS
摘要
申请公布号
PL265108(A2)
申请公布日期
1988.04.14
申请号
PL19870265108
申请日期
1987.04.09
申请人
发明人
分类号
E21D;(IPC1-7):E21D/
主分类号
E21D
代理机构
代理人
主权项
地址
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