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发明名称
OPTICAL DEVICE
摘要
申请公布号
GB8712346(D0)
申请公布日期
1987.07.01
申请号
GB19870012346
申请日期
1987.05.26
申请人
CANON KK
发明人
分类号
G02B3/12;G02B3/14;G02B15/00;G02B26/08;(IPC1-7):G02B1/04
主分类号
G02B3/12
代理机构
代理人
主权项
地址
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