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发明名称
Perfectionnements aux appareils de projection cinématographique à déroulement continu du film
摘要
申请公布号
FR783926(A)
申请公布日期
1935.07.19
申请号
FRD783926
申请日期
1935.01.09
申请人
发明人
ANTOINE BECOTE
分类号
G03B41/12
主分类号
G03B41/12
代理机构
代理人
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