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发明名称
INDICATION DEVICE IN THE VIEWFINDER FOR A SINGLE LENS REFLEX CAMERA
摘要
申请公布号
GB1566418(A)
申请公布日期
1980.04.30
申请号
GB19760048390
申请日期
1976.11.19
申请人
NIPPON KOGAKY KK
发明人
分类号
G03B17/20;G03B19/12;(IPC1-7):G03B17/20
主分类号
G03B17/20
代理机构
代理人
主权项
地址
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