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发明名称
Устройство для воспроизведения звука по электролитической его двухсторонней записи на ленте
摘要
申请公布号
SU29617(A1)
申请公布日期
1933.03.31
申请号
SU19320108698
申请日期
1932.05.06
申请人
MIKHAJLOVSKIJ E.A.
发明人
MIKHAJLOVSKIJ E.A.
分类号
G11B9/04
主分类号
G11B9/04
代理机构
代理人
主权项
地址
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