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发明名称
METHOD OF CONTROLLING THE EXTRA PRESSURE LUBRICATION OF DRILLING MUDS
摘要
申请公布号
CA683251(A)
申请公布日期
1964.03.31
申请号
CAD683251
申请日期
申请人
MILWHITE MUD SALES COMPANY
发明人
WILLIAM C. BROWNING
分类号
主分类号
代理机构
代理人
主权项
地址
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