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发明名称
OPTICAL PICKUP DEVICE
摘要
申请公布号
JPH06215384(A)
申请公布日期
1994.08.05
申请号
JP19930003433
申请日期
1993.01.12
申请人
RICOH CO LTD
发明人
KATAGIRI SUSUMU
分类号
G11B7/085;G11B7/09;G11B21/02;(IPC1-7):G11B7/085
主分类号
G11B7/085
代理机构
代理人
主权项
地址
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