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发明名称
Appareil de lecture, de projection et d'agrandissement de microfilms et autres documents analogues
摘要
申请公布号
FR1043386(A)
申请公布日期
1953.11.09
申请号
FRD1043386
申请日期
1951.10.01
申请人
发明人
CHEROUVRIER ROBERT-ERNEST;HANISCH KURT
分类号
G03B21/11
主分类号
G03B21/11
代理机构
代理人
主权项
地址
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