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经营范围
发明名称
OPTICAL HEAD
摘要
申请公布号
JPS6337826(A)
申请公布日期
1988.02.18
申请号
JP19860179161
申请日期
1986.07.30
申请人
NEC CORP
发明人
SASAKI YOSHINORI
分类号
G11B7/085;G11B7/135
主分类号
G11B7/085
代理机构
代理人
主权项
地址
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