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发明名称
Perfectionnements aux aspirateurs de poussière
摘要
申请公布号
FR54964(E)
申请公布日期
1951.06.05
申请号
FRD54964
申请日期
1946.07.16
申请人
发明人
DUPLESSIS ROGER
分类号
A47L9/08
主分类号
A47L9/08
代理机构
代理人
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