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发明名称
Perfectionnements aux mécanismes d'entraînement des films cinématographiques et des films analogues
摘要
申请公布号
FR920624(A)
申请公布日期
1947.04.14
申请号
FRD920624
申请日期
1946.01.23
申请人
COMPAGNIE FRANCAISE THOMSON-HOUSTON
发明人
分类号
G03B1/24
主分类号
G03B1/24
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代理人
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