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发明名称
Procédé de chauffage des appareils pour la photographie aérienne et appareils chauffés par ce procédé
摘要
申请公布号
FR1186053(A)
申请公布日期
1959.08.13
申请号
FRD1186053
申请日期
1957.11.14
申请人
N. V. OPTISCHE INDUSTRIE
发明人
分类号
G03B17/55
主分类号
G03B17/55
代理机构
代理人
主权项
地址
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