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发明名称
OPTICAL SIGNAL HEAD
摘要
申请公布号
JPS5644126(A)
申请公布日期
1981.04.23
申请号
JP19790120565
申请日期
1979.09.19
申请人
SONY CORP
发明人
OOKI YUTAKA
分类号
G02B7/28;G11B7/08;G11B7/09
主分类号
G02B7/28
代理机构
代理人
主权项
地址
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