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经营范围
发明名称
Treatment of wells
摘要
申请公布号
US2104488(A)
申请公布日期
1938.01.04
申请号
US19350043440
申请日期
1935.10.03
申请人
GULF RESEARCH & DEVELOPMENT COMPANY
发明人
KENNEDY HARVEY T.;WESCOTT BLAINE B.
分类号
C09K8/506;E21B33/138
主分类号
C09K8/506
代理机构
代理人
主权项
地址
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