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发明名称
Remote grouting system
摘要
申请公布号
GB2096674(A)
申请公布日期
1982.10.20
申请号
GB19810011801
申请日期
1981.04.14
申请人
HALLIBURTON CO
发明人
分类号
B63B21/50;E02B17/00;E21B33/14;E21B41/00;(IPC1-7):E02B17/00
主分类号
B63B21/50
代理机构
代理人
主权项
地址
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