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发明名称
Well screen
摘要
申请公布号
US1899065(A)
申请公布日期
1933.02.28
申请号
US19300505521
申请日期
1930.12.30
申请人
TILBURY LYLE C
发明人
TILBURY LYLE C.
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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