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发明名称
OPTICAL PICKUP DEVICE
摘要
申请公布号
JPH0386930(A)
申请公布日期
1991.04.11
申请号
JP19900159547
申请日期
1990.06.15
申请人
SHARP CORP
发明人
MIYAKE TAKAHIRO;YOSHIDA YOSHIO;KURATA YUKIO;SAKAI KEIJI
分类号
G11B7/09
主分类号
G11B7/09
代理机构
代理人
主权项
地址
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