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发明名称
Improvements relating to photographic apparatus
摘要
申请公布号
GB847835(A)
申请公布日期
1960.09.14
申请号
GB19570007737
申请日期
1957.03.08
申请人
INTERNATIONAL POLAROID CORPORATION
发明人
ELORANTA VAITO KALERVO
分类号
G03B17/52
主分类号
G03B17/52
代理机构
代理人
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