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发明名称
INFORMATION MAGNETIC RECORDING AND BACK-PLAYING DEVICE
摘要
申请公布号
SU563692(A1)
申请公布日期
1977.06.30
申请号
SU19752176298
申请日期
1975.09.30
申请人
MLSKOVSKIJ LESOTEKHNICHESKIJ INSTITUT
发明人
KOVALENKO LEONID L,SU;BABANOV IGOR A,SU;AKIMOV EVGENIJ E,SU
分类号
G11B5/09;(IPC1-7):G11B5/09
主分类号
G11B5/09
代理机构
代理人
主权项
地址
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