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发明名称
ALTERNATIVE PROCESSING METHOD FOR OPTICAL DISK
摘要
申请公布号
JPH0346165(A)
申请公布日期
1991.02.27
申请号
JP19890181765
申请日期
1989.07.14
申请人
RICOH CO LTD
发明人
SEGAWA HIDEKI
分类号
G11B20/10;G11B7/24;G11B20/12
主分类号
G11B20/10
代理机构
代理人
主权项
地址
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