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发明名称
DRILLING FLUID
摘要
申请公布号
CS258945(B1)
申请公布日期
1988.09.16
申请号
CS19870001569
申请日期
1987.03.09
申请人
PRIKRYL,JOSEF,CS;KUDRNA,STANISLAV,CS;VYHNALEK,VIT,CS;SVOBODA,ZDENEK,CS
发明人
PRIKRYL,JOSEF,CS;KUDRNA,STANISLAV,CS;VYHNALEK,VIT,CS;SVOBODA,ZDENEK,CS
分类号
(IPC1-7):C09K7/02
主分类号
(IPC1-7):C09K7/02
代理机构
代理人
主权项
地址
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