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发明名称
Method for filling holes and equipment therefor
摘要
申请公布号
GB9823653(D0)
申请公布日期
1998.12.23
申请号
GB19980023653
申请日期
1998.10.29
申请人
FOSROC INTERNATIONAL LIMITED
发明人
分类号
E21B33/134;E21F15/00;E21F15/02
主分类号
E21B33/134
代理机构
代理人
主权项
地址
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