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发明名称
Perfectionnement aux dispositifs de cadrage dans les appareils projecteurs cinématographiques
摘要
申请公布号
FR1047208(A)
申请公布日期
1953.12.11
申请号
FRD1047208
申请日期
1951.08.29
申请人
发明人
LEMAIRE ROBERT;PROKOP JOSEPH
分类号
G03B1/22
主分类号
G03B1/22
代理机构
代理人
主权项
地址
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