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发明名称
Perfectionnements aux appareils photographiques et radiographiques
摘要
申请公布号
FR1042856(A)
申请公布日期
1953.11.04
申请号
FRD1042856
申请日期
1951.04.06
申请人
MIESCH & COMPAGNIE
发明人
分类号
G03B1/48
主分类号
G03B1/48
代理机构
代理人
主权项
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