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经营范围
发明名称
Improvements in photographic cameras having multiple objectives
摘要
申请公布号
GB767618(A)
申请公布日期
1957.02.06
申请号
GB19540024227
申请日期
1954.08.19
申请人
JEAN DE MONTREMY
发明人
分类号
G03B15/00
主分类号
G03B15/00
代理机构
代理人
主权项
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