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发明名称
Improvements relating to apparatus for use in connection with photographic aerial surveys
摘要
申请公布号
GB329383(A)
申请公布日期
1930.05.19
申请号
GB19290005491
申请日期
1929.02.19
申请人
ARTHUR CYRIL WEBB ALDIS
发明人
分类号
G03B27/68
主分类号
G03B27/68
代理机构
代理人
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