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发明名称
APPARATUS FOR CEMMENTING WELL CASINGS THROUGH SMALLER-DIAMETER PIPE STRING
摘要
申请公布号
SU1002530(A1)
申请公布日期
1983.03.07
申请号
SU19813370953
申请日期
1981.12.16
申请人
VNII PO KREPLENIYU SKVAZHIN BUROVYM RASTVORAM
发明人
MIKHAJLICHENKO VLADIMIR M,SU;KISELMAN MARK L,SU;LADYGA ALEKSEJ V,SU
分类号
E21B33/14;(IPC1-7):E21B33/14
主分类号
E21B33/14
代理机构
代理人
主权项
地址
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