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经营范围
发明名称
OPTISCHES SYSTEM
摘要
申请公布号
DE3023617(A1)
申请公布日期
1981.01.08
申请号
DE19803023617
申请日期
1980.06.24
申请人
HITACHI,LTD.
发明人
YONEZAWA,SEIJI;SUGIYAMA,TOSHIO
分类号
G11B7/09;G11B7/12;G11B7/135;(IPC1-7):G02B27/10
主分类号
G11B7/09
代理机构
代理人
主权项
地址
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