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发明名称
Obturateur pour objectif photographique
摘要
申请公布号
FR1125451(A)
申请公布日期
1956.10.31
申请号
FRD1125451
申请日期
1955.03.09
申请人
发明人
DECKEL HANS;DECKEL FRIEDRICH WILHELM
分类号
G03B9/22
主分类号
G03B9/22
代理机构
代理人
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