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发明名称
OPTICAL MASTER DISK EXPOSURE DEVICE
摘要
申请公布号
JPH04117639(A)
申请公布日期
1992.04.17
申请号
JP19900170871
申请日期
1990.06.28
申请人
RICOH CO LTD
发明人
MORIMOTO TAKAO
分类号
G11B11/10;G11B7/24;G11B11/105
主分类号
G11B11/10
代理机构
代理人
主权项
地址
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