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经营范围
发明名称
OPTICAL HEAD DEVICE
摘要
申请公布号
JPH07326059(A)
申请公布日期
1995.12.12
申请号
JP19940117788
申请日期
1994.05.31
申请人
NEC GUMMA LTD
发明人
MATSUZAKI ISAO
分类号
G11B7/085;(IPC1-7):G11B7/085
主分类号
G11B7/085
代理机构
代理人
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