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经营范围
发明名称
ROTARY RECORDING/PLAYBACK HEAD ASSEMBLY
摘要
申请公布号
GB1478586(A)
申请公布日期
1977.07.06
申请号
GB19750013226
申请日期
1975.04.01
申请人
SONY CORP
发明人
分类号
G11B5/588;G11B5/52;(IPC1-7):G11B21/18;G11B21/04
主分类号
G11B5/588
代理机构
代理人
主权项
地址
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