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经营范围
发明名称
OPTICAL PICK UP
摘要
申请公布号
JPH0676398(A)
申请公布日期
1994.03.18
申请号
JP19920253534
申请日期
1992.08.31
申请人
SONY CORP
发明人
FUJITA GORO
分类号
G11B11/10;G11B11/105;(IPC1-7):G11B11/10
主分类号
G11B11/10
代理机构
代理人
主权项
地址
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