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发明名称
Perfectionnements aux mémoranda, blocs ou tablettes aide-mémoire et objets analogues
摘要
申请公布号
FR842214(A)
申请公布日期
1939.06.08
申请号
FRD842214
申请日期
1938.08.17
申请人
发明人
MCGLOIN FRANCIS JOSEPH
分类号
B42D5/04
主分类号
B42D5/04
代理机构
代理人
主权项
地址
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