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发明名称
Improvements in or relating to roll-film photographic cameras
摘要
申请公布号
GB779999(A)
申请公布日期
1957.07.24
申请号
GB19550016013
申请日期
1955.06.03
申请人
KAMERABAU - ANSTALT
发明人
分类号
G03B17/42
主分类号
G03B17/42
代理机构
代理人
主权项
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