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发明名称
Déclencheur à bouton-poussoir pour obturateur d'objectif photographique
摘要
申请公布号
FR791471(A)
申请公布日期
1935.12.11
申请号
FRD791471
申请日期
1935.06.20
申请人
发明人
BERGNER ERICH
分类号
G03B9/58
主分类号
G03B9/58
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代理人
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