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发明名称
Appareil photographique à viseur <reflex> à deux objectifs interchangeables
摘要
申请公布号
FR1123135(A)
申请公布日期
1956.09.18
申请号
FRD1123135
申请日期
1955.04.28
申请人
VOIGTLANDER A. G.
发明人
分类号
G03B17/02
主分类号
G03B17/02
代理机构
代理人
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