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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
GB720236(A)
申请公布日期
1954.12.15
申请号
GB19520023715
申请日期
1952.09.22
申请人
JACQUES BOLSEY
发明人
分类号
G03B17/26
主分类号
G03B17/26
代理机构
代理人
主权项
地址
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