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发明名称
SAMPLER
摘要
申请公布号
SU607967(A1)
申请公布日期
1978.05.25
申请号
SU19762319778
申请日期
1976.02.04
申请人
FROLOV EVGENIJ ,SU;TOPOL GENNADIJ M,SU;OBIDIN VIKTOR P,SU
发明人
FROLOV EVGENIJ ,SU;TOPOL GENNADIJ M,SU;OBIDIN VIKTOR P,SU
分类号
E21B49/06;(IPC1-7):E21B49/06
主分类号
E21B49/06
代理机构
代理人
主权项
地址
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