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发明名称
DRILLING A BOREHOLE
摘要
申请公布号
GB1547951(A)
申请公布日期
1979.07.04
申请号
GB19770012434
申请日期
1977.03.24
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV
发明人
分类号
C09K8/24;(IPC1-7):C09K7/02
主分类号
C09K8/24
代理机构
代理人
主权项
地址
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