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发明名称
OPTICAL MASTER DISK EXPOSURE DEVICE
摘要
申请公布号
JPH04362549(A)
申请公布日期
1992.12.15
申请号
JP19910163732
申请日期
1991.06.07
申请人
RICOH CO LTD
发明人
MIZUTA OSAMU
分类号
G11B7/26
主分类号
G11B7/26
代理机构
代理人
主权项
地址
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