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经营范围
发明名称
OPTICAL SYSTEM
摘要
申请公布号
EP0231029(A3)
申请公布日期
1989.07.19
申请号
EP19870101235
申请日期
1987.01.29
申请人
DAINIPPON SCREEN MFG. CO., LTD.
发明人
NAGATA, SHINICHI
分类号
G02B3/04;G02B9/02;G02B9/06;G02B9/12;G02B9/34;G02B13/18;G02B19/00;(IPC1-7):G02B19/00
主分类号
G02B3/04
代理机构
代理人
主权项
地址
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