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发明名称
FOCUS SERVO DEVICE
摘要
申请公布号
EP0183435(B1)
申请公布日期
1992.02.19
申请号
EP19850308262
申请日期
1985.11.13
申请人
PIONEER ELECTRONIC CORPORATION
发明人
YOSHIO, JUNICHI C/O PIONEER ELECTRONIC CORPORATION
分类号
G02B7/28;G11B7/09
主分类号
G02B7/28
代理机构
代理人
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地址
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