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经营范围
发明名称
Well treating fluid
摘要
申请公布号
US2320673(A)
申请公布日期
1943.06.01
申请号
US19400351187
申请日期
1940.08.03
申请人
LEO CLARK MORGAN
发明人
STEWART TROY J.
分类号
C09K8/72
主分类号
C09K8/72
代理机构
代理人
主权项
地址
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