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发明名称
Perfectionnements aux appareils de prise de vues cinématographiques à objectifs multiples
摘要
申请公布号
FR63523(E)
申请公布日期
1955.09.29
申请号
FRD63523
申请日期
1952.11.21
申请人
发明人
ROYET PAUL-FERDINAND
分类号
G03B19/18
主分类号
G03B19/18
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