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发明名称
Improvements in or relating to photographic shutters
摘要
申请公布号
GB871025(A)
申请公布日期
1961.06.21
申请号
GB19570030587
申请日期
1957.09.30
申请人
ALFRED GAUTHIER, G.M.B.H.
发明人
分类号
G03B9/64
主分类号
G03B9/64
代理机构
代理人
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