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发明名称
Perfectionnements aux aspirateurs de poussières
摘要
申请公布号
FR36555(E)
申请公布日期
1930.07.07
申请号
FRD36555
申请日期
1929.02.18
申请人
发明人
WALES NATHANIEL BRACKETT
分类号
A47L5/14;A47L5/24;A47L9/14;A47L9/20;A47L9/22
主分类号
A47L5/14
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代理人
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