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发明名称
METHOD AND APPARATUS FOR DRILL STEM TESTING
摘要
申请公布号
CA781255(A)
申请公布日期
1968.03.26
申请号
CAD781255
申请日期
申请人
JOHNSTON TESTERS
发明人
LLOYD I. JENSEN
分类号
主分类号
代理机构
代理人
主权项
地址
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