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经营范围
发明名称
Improvements in or relating to photographic cameras
摘要
申请公布号
GB797305(A)
申请公布日期
1958.07.02
申请号
GB19550036629
申请日期
1955.12.21
申请人
REINHOLD HEIDECKE;HORST FRANKE
发明人
分类号
G03B17/42
主分类号
G03B17/42
代理机构
代理人
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