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经营范围
发明名称
Improvements in or relating to photographic roll film cameras
摘要
申请公布号
GB735669(A)
申请公布日期
1955.08.24
申请号
GB19530005161
申请日期
1953.02.24
申请人
WILHELM WITT
发明人
分类号
G03B17/30
主分类号
G03B17/30
代理机构
代理人
主权项
地址
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