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发明名称
METHOD OF TREATING MUD-LADEN DRILLING FLUIDS
摘要
申请公布号
CA460086(A)
申请公布日期
1949.10.04
申请号
CAD460086
申请日期
申请人
CALIFORNIA RESEARCH CORPORATION
发明人
WILLIAM T. CARDWELL, JR.
分类号
主分类号
代理机构
代理人
主权项
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