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发明名称
Perfectionnements à l'agencement relatif de la griffe et de la contre-griffe du mouvement d'avance saccadée du film dans les appareils cinématographiques
摘要
申请公布号
FR55106(E)
申请公布日期
1951.06.06
申请号
FRD55106
申请日期
1946.11.29
申请人
发明人
COUTANT ANDRE-CLEMENT;MATHOT JACQUES
分类号
G03B1/22
主分类号
G03B1/22
代理机构
代理人
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