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发明名称
Dispositif perfectionné pour le classement des documents
摘要
申请公布号
FR862245(A)
申请公布日期
1941.03.01
申请号
FRD862245
申请日期
1939.05.20
申请人
发明人
GUICHARD RAYMOND, ARTHUR, EUGENE
分类号
B42F15/00
主分类号
B42F15/00
代理机构
代理人
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