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发明名称
Dispositif pour classement vertical et horizontal visible
摘要
申请公布号
FR992406(A)
申请公布日期
1951.10.18
申请号
FRD992406
申请日期
1949.08.11
申请人
发明人
RODEAU LOUIS
分类号
B42F17/00
主分类号
B42F17/00
代理机构
代理人
主权项
地址
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