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经营范围
发明名称
OPTICAL HEAD
摘要
申请公布号
JPS54146613(A)
申请公布日期
1979.11.16
申请号
JP19780054502
申请日期
1978.05.10
申请人
HITACHI LTD
发明人
TSUNODA YOSHITO;TATENO KIMIO;MIYAUCHI TOSHIMITSU;AIKI KUNIO;ITOU RIYOUICHI
分类号
G02B7/28;G11B7/08;G11B7/09;G11B7/12;G11B7/135;G11B7/14
主分类号
G02B7/28
代理机构
代理人
主权项
地址
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