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发明名称
PERCUSSION WIRE LINE SAMPLING PRACTICE AND DEVICE THEREOF
摘要
申请公布号
JPH05263582(A)
申请公布日期
1993.10.12
申请号
JP19920093469
申请日期
1992.03.18
申请人
发明人
分类号
E21B25/04;E21B25/02;G01N1/08;(IPC1-7):E21B25/04
主分类号
E21B25/04
代理机构
代理人
主权项
地址
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