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发明名称
Способ включения магнитной головки для воспроизведения магнитной фонограммы
摘要
申请公布号
SU126282(A1)
申请公布日期
1959.11.30
申请号
SU19540576806
申请日期
1954.12.30
申请人
RAKOVSKIJ V.V.
发明人
RAKOVSKIJ V.V.
分类号
G11B5/17
主分类号
G11B5/17
代理机构
代理人
主权项
地址
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