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经营范围
发明名称
Dispositif avec cames jumelées à action alternée assurant le déplacement rectiligne de l'ensemble optique dans les appareils de projection cinématographique à déroulement continu du film
摘要
申请公布号
FR974604(A)
申请公布日期
1951.02.23
申请号
FRD974604
申请日期
1941.12.18
申请人
发明人
BECOTE ANTOINE
分类号
G03B41/12
主分类号
G03B41/12
代理机构
代理人
主权项
地址
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