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发明名称
HYDROCYCLONE PLANT FOR CONTROLLING DENSITY OF DRILLING MUD
摘要
申请公布号
SU1640356(A1)
申请公布日期
1991.04.07
申请号
SU19894677341
申请日期
1989.04.11
申请人
ANDIZHANSKOE SP PK BYURO N-PROIZV OBEDINENIYA "BURENIE"
发明人
BAKHODIROV ABDUVALI B,SU;SHIPILOV SERGEJ A,SU;ULYANOV ALEKSANDR L,SU
分类号
E21B21/06;E21B44/00;E21B47/00
主分类号
E21B21/06
代理机构
代理人
主权项
地址
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