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发明名称
Mécanisme de descente extra-rapide du film dans un appareil cinématographique
摘要
申请公布号
FR1025887(A)
申请公布日期
1953.04.21
申请号
FRD1025887
申请日期
1950.10.12
申请人
发明人
DEBRIE ANDRE-VICTOR-LEON-CL
分类号
G03B19/18
主分类号
G03B19/18
代理机构
代理人
主权项
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