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发明名称
OPTISCHER INFORMATIONSAUFZEICHNUNGSTRAEGER
摘要
申请公布号
DE3505355(A1)
申请公布日期
1985.08.29
申请号
DE19853505355
申请日期
1985.02.15
申请人
RICOH CO.,LTD.
发明人
UMEHARA,MASAAKIRA
分类号
G11B7/26;(IPC1-7):G11B7/24
主分类号
G11B7/26
代理机构
代理人
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地址
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