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经营范围
发明名称
CEMENTING HEAD
摘要
申请公布号
SU1601340(A1)
申请公布日期
1990.10.23
申请号
SU19884427419
申请日期
1988.05.17
申请人
DOLINSKOE TAMPONAZHNOE U PROIZVODSTVENNOGO OBEDINENIYA "UKRNEFT";TSNI LABORATORIYA PROIZVODSTVENNOGO OBEDINENIYA "UKRNEFT"
发明人
YATSIV MIKHAIL N,SU;BODNAR VLADIMIR M,SU
分类号
E21B33/05
主分类号
E21B33/05
代理机构
代理人
主权项
地址
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