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经营范围
发明名称
Procédé et dispositif pour la conservation et le classement de documents sur microfilms
摘要
申请公布号
FR1105269(A)
申请公布日期
1955.11.29
申请号
FRD1105269
申请日期
1954.05.21
申请人
发明人
CHENOUARD JOSEPH
分类号
B42F17/30
主分类号
B42F17/30
代理机构
代理人
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