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经营范围
发明名称
Perfectionnements apportés aux appareils projecteurs de films synchronisés
摘要
申请公布号
FR39688(E)
申请公布日期
1932.02.11
申请号
FRD39688
申请日期
1931.01.27
申请人
COMPAGNIE FRANCAISE POUR L'EXPLOITATION DES PROCEDES THOMSON-HOUSTON
发明人
分类号
G03B31/00
主分类号
G03B31/00
代理机构
代理人
主权项
地址
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