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经营范围
发明名称
OPTICAL PICKUP DEVICE
摘要
申请公布号
JPH04364232(A)
申请公布日期
1992.12.16
申请号
JP19910140074
申请日期
1991.06.12
申请人
PIONEER ELECTRON CORP
发明人
KATO TAKAHIRO
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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