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发明名称
Appareil de projection cinématographique jumelé automatique à double rampe de passage de film pour projection alternative.
摘要
申请公布号
BE598757(A1)
申请公布日期
1961.05.02
申请号
BE19610598757
申请日期
1961.01.03
申请人
GUILLAUME DE WALSCH
发明人
GUILLAUME DE WALSCH
分类号
(IPC1-7):G03B
主分类号
(IPC1-7):G03B
代理机构
代理人
主权项
地址
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