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经营范围
发明名称
Improvements in or relating to depth of focus indicators for photographic cameras
摘要
申请公布号
GB546881(A)
申请公布日期
1942.08.04
申请号
GB19410016799
申请日期
1941.12.30
申请人
KODAK LIMITED
发明人
分类号
G03B17/02
主分类号
G03B17/02
代理机构
代理人
主权项
地址
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