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发明名称
Perfectionnements apportés aux appareils projecteurs cinématographiques de salon
摘要
申请公布号
FR690866(A)
申请公布日期
1930.09.26
申请号
FRD690866
申请日期
1930.03.01
申请人
发明人
PELLICCIONI AMERICO
分类号
G03B21/32
主分类号
G03B21/32
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代理人
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