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发明名称
Means for determining screen size for well screens
摘要
申请公布号
US2634613(A)
申请公布日期
1953.04.14
申请号
US19500177236
申请日期
1950.08.02
申请人
MIAMI BOILER & MACHINE COMPANY, INC.
发明人
NAPIER MELVIN J.
分类号
E21B43/08
主分类号
E21B43/08
代理机构
代理人
主权项
地址
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