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发明名称
Reliure perfectionnée à feuillets amovibles
摘要
申请公布号
FR829824(A)
申请公布日期
1938.07.07
申请号
FRD829824
申请日期
1937.03.10
申请人
DRAEGER FRERES
发明人
分类号
B42F13/16
主分类号
B42F13/16
代理机构
代理人
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