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发明名称
OPTICAL INFORMATION PICKUP APPARATUS
摘要
申请公布号
GB8403834(D0)
申请公布日期
1984.03.21
申请号
GB19840003834
申请日期
1984.02.14
申请人
PIONEER ELECTRONIC CORPORATION
发明人
分类号
G02B7/28;G11B7/09;G11B7/13;(IPC1-7):G11B7/08
主分类号
G02B7/28
代理机构
代理人
主权项
地址
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