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发明名称
OPTICAL PICKUP DEVICE
摘要
申请公布号
JPH0689481(A)
申请公布日期
1994.03.29
申请号
JP19920268145
申请日期
1992.09.09
申请人
SONY CORP
发明人
KAWATANI NORIO;NAKAMURA TOSHIFUMI;TAKAMIZAWA YUTAKA;ASAGI OSAMU;OGAWA MICHIKO
分类号
G11B3/00;G11B7/00;G11B7/005;G11B11/18;(IPC1-7):G11B11/18
主分类号
G11B3/00
代理机构
代理人
主权项
地址
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