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发明名称
Processing drilling fluid
摘要
申请公布号
GB2162880(A)
申请公布日期
1986.02.12
申请号
GB19850015104
申请日期
1985.06.14
申请人
CHRISTOPHER PAUL * DOUGLAS;CYNTHIA * DOUGLAS
发明人
CHRISTOPHER PAUL * DOUGLAS;WILLIAM IRONSIDE * CHRISTIE
分类号
B63B35/44;E21B21/06;(IPC1-7):E21B21/06
主分类号
B63B35/44
代理机构
代理人
主权项
地址
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