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发明名称
OPTICAL MASTER DISK AND ITS PRODUCTION
摘要
申请公布号
JPH09288849(A)
申请公布日期
1997.11.04
申请号
JP19960122339
申请日期
1996.04.18
申请人
RICOH CO LTD
发明人
MASUZAWA MASAHIRO
分类号
G11B7/26;(IPC1-7):G11B7/26
主分类号
G11B7/26
代理机构
代理人
主权项
地址
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