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发明名称
Bague de pose d'objectifs pour appareils photographiques
摘要
申请公布号
FR1305671(A)
申请公布日期
1962.10.05
申请号
FR19610875932
申请日期
1961.10.13
申请人
VEB KAMERA- UND KINOWERKE DRESDEN
发明人
分类号
G03B3/02
主分类号
G03B3/02
代理机构
代理人
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地址
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