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发明名称
Mécanisme d'entraînement du film pour appareils de projection einématographique
摘要
申请公布号
FR1004418(A)
申请公布日期
1952.03.31
申请号
FRD1004418
申请日期
1947.04.17
申请人
COMPAGNIE FRANCAISE HORTSON
发明人
分类号
G03B1/38
主分类号
G03B1/38
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