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发明名称
OPTICAL INFORMATION RECORDING AND REPRODUCING DEVICE
摘要
申请公布号
JPS6410425(A)
申请公布日期
1989.01.13
申请号
JP19870164700
申请日期
1987.07.01
申请人
RICOH CO LTD
发明人
MAEDA HIDEO;IGUCHI TOSHIYUKI;BABA NOBUYUKI;FUJITA KAZUHIRO;OUCHIDA SHIGERU
分类号
G11B7/09
主分类号
G11B7/09
代理机构
代理人
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地址
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