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发明名称
Improvements in Camera Viewfinders for Preparing Overlay Images
摘要
申请公布号
GB2079974(A)
申请公布日期
1982.01.27
申请号
GB19810020365
申请日期
1981.07.01
申请人
COFRASA SARL
发明人
分类号
G03B15/00;A45D44/00;A61B5/117;G03B15/08;(IPC1-7):G03B13/08
主分类号
G03B15/00
代理机构
代理人
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