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经营范围
发明名称
Appareil photographique à viseur réflex mono-objectif
摘要
申请公布号
FR1132441(A)
申请公布日期
1957.03.11
申请号
FRD1132441
申请日期
1955.05.26
申请人
发明人
DECKEL HANS;DECKEL FRIEDRICH WILHELM
分类号
G03B9/22;G03B13/20
主分类号
G03B9/22
代理机构
代理人
主权项
地址
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