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经营范围
发明名称
PICKUP CARTRIDGE DEVICE
摘要
申请公布号
JPS5473602(A)
申请公布日期
1979.06.13
申请号
JP19770140598
申请日期
1977.11.25
申请人
SONY CORP
发明人
WATANABE YOSHIMI
分类号
G11B3/02
主分类号
G11B3/02
代理机构
代理人
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地址
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