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发明名称
Improvements in or relating to camera shutters
摘要
申请公布号
GB324072(A)
申请公布日期
1930.01.15
申请号
GB19280029747
申请日期
1928.10.15
申请人
ROBERT CONSTANTINE GRASEBY
发明人
分类号
G03B9/08
主分类号
G03B9/08
代理机构
代理人
主权项
地址
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