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发明名称
Well perforating device
摘要
申请公布号
US3040659(A)
申请公布日期
1962.06.26
申请号
US19580734521
申请日期
1958.05.12
申请人
MCCULLEUGH OTIS J
发明人
MCCULLEUGH OTIS J.
分类号
E21B43/117
主分类号
E21B43/117
代理机构
代理人
主权项
地址
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