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经营范围
发明名称
A camera for making several exposures on the same plate
摘要
申请公布号
GB469284(A)
申请公布日期
1937.07.22
申请号
GB19360023362
申请日期
1936.08.25
申请人
ISAC GRINSPUN
发明人
分类号
G03B19/02
主分类号
G03B19/02
代理机构
代理人
主权项
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