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经营范围
发明名称
CEMENTING HEAD
摘要
申请公布号
SU1234582(A1)
申请公布日期
1986.05.30
申请号
SU19843788228
申请日期
1984.09.03
申请人
VNII PO KREPLENIYU SKVAZHIN BUROVYM RASTVORAM
发明人
SEREZHNIKOV VLADIMIR V,SU;EREMENKO VALENTIN V,SU;SHEVCHENKO KONSTANTIN A,SU;KOVAL ALEKSANDR F,SU;KOGAN EDUARD V,SU
分类号
E21B33/05;(IPC1-7):E21B33/05
主分类号
E21B33/05
代理机构
代理人
主权项
地址
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