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经营范围
发明名称
Dispositif pour la projection continue de films cinématographiques et analogues
摘要
申请公布号
FR1123109(A)
申请公布日期
1956.09.18
申请号
FRD1123109
申请日期
1955.04.27
申请人
发明人
D'ARGONNE MARC-CLAUDE BOUREAU;OLIVIER ANDRE
分类号
G03B21/32
主分类号
G03B21/32
代理机构
代理人
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