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发明名称
OPTISCHE LESE-/WIEDERGABEVORRICHTUNG
摘要
申请公布号
DE3616331(A1)
申请公布日期
1986.11.20
申请号
DE19863616331
申请日期
1986.05.15
申请人
HITACHI,LTD.
发明人
SUGIYAMA,TOSHIO;SUENAGA,HIDEO
分类号
G02B7/28;G11B7/09;(IPC1-7):G11B7/095
主分类号
G02B7/28
代理机构
代理人
主权项
地址
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