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发明名称
DISC BIT
摘要
申请公布号
SU885532(A1)
申请公布日期
1981.11.30
申请号
SU19792823174
申请日期
1979.09.20
申请人
NOVOCHERKASSKIJ POLT I IM. SERGO ORDZHONIKIDZE
发明人
DUSEV VYACHESLAV I,SU;AGOSHASHVILI TARIEL G,SU;PANOV MIKHAIL I,SU;VOJNOV PETR N,SU
分类号
E21B10/12;(IPC1-7):E21B10/12
主分类号
E21B10/12
代理机构
代理人
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