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经营范围
发明名称
Improvements in or relating to photographic cameras
摘要
申请公布号
GB682232(A)
申请公布日期
1952.11.05
申请号
GB19460012364
申请日期
1946.04.24
申请人
N. V. OPTISCHE INBUSTRIE "DE OUDE DELFT"
发明人
分类号
G03B37/06
主分类号
G03B37/06
代理机构
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