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发明名称
MEASURING WHILE DRILLING TOOL
摘要
申请公布号
GB2106568(B)
申请公布日期
1984.02.15
申请号
GB19820031780
申请日期
1982.11.08
申请人
* DRESSER INDUSTRIES INC
发明人
JACKSON REYNOLDS * CLAYCOMB
分类号
E21B47/18;(IPC1-7):E21B47/12
主分类号
E21B47/18
代理机构
代理人
主权项
地址
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