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发明名称
Perfectionnements aux compresseurs pour tiroirs de classeurs
摘要
申请公布号
FR49193(E)
申请公布日期
1938.11.28
申请号
FRD49193
申请日期
1938.02.18
申请人
COMPAGNIE DU RONEO
发明人
分类号
B42F17/02
主分类号
B42F17/02
代理机构
代理人
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