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发明名称
Treatment of mud-laden drilling fluids
摘要
申请公布号
US2331279(A)
申请公布日期
1943.10.12
申请号
US19390265146
申请日期
1939.03.31
申请人
WAYNE TRUMAN B
发明人
WAYNE TRUMAN B.
分类号
C09K8/22
主分类号
C09K8/22
代理机构
代理人
主权项
地址
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