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经营范围
发明名称
Dispositif d'éclairage pour appareil de prise de vues ou d'agrandissement pour microfilms ou microfiches
摘要
申请公布号
FR1028275(A)
申请公布日期
1953.05.20
申请号
FRD1028275
申请日期
1950.11.22
申请人
发明人
FLOQUET YVAN
分类号
G03B27/54
主分类号
G03B27/54
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代理人
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地址
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