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经营范围
发明名称
Procédé permettant le classement rapide des microcopies
摘要
申请公布号
FR1061039(A)
申请公布日期
1954.04.08
申请号
FRD1061039
申请日期
1952.07.28
申请人
发明人
BERNARD RENE-LOUIS-AUGUSTE
分类号
G03B21/06
主分类号
G03B21/06
代理机构
代理人
主权项
地址
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