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经营范围
发明名称
OPTICAL RECORDING DEVICE
摘要
申请公布号
JPS5528516(A)
申请公布日期
1980.02.29
申请号
JP19780100067
申请日期
1978.08.18
申请人
HITACHI LTD
发明人
KAMIYANAGI KIICHI;MAEDA TAKESHI;YONEZAWA SEIJI;MIYAMURA YOSHINORI
分类号
G11B7/00;G11B7/0045;G11B7/08;G11B7/09
主分类号
G11B7/00
代理机构
代理人
主权项
地址
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