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发明名称
ABOVE-BIT LUBRICATOR
摘要
申请公布号
SU587233(A1)
申请公布日期
1978.01.05
申请号
SU19752114519
申请日期
1975.03.18
申请人
GNI PI NEFTYANOJ PROMY "UKRGIPRONIINEFT"
发明人
DANILEVICH VYACHESLAV M,SU;ANTONOV VLADIMIR G,SU;POLUYANOV MIKHAIL A,SU
分类号
(IPC1-7):E21B9/10
主分类号
(IPC1-7):E21B9/10
代理机构
代理人
主权项
地址
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