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发明名称
Perfectionnements aux aspirateurs de poussière
摘要
申请公布号
FR929400(A)
申请公布日期
1947.12.24
申请号
FRD929400
申请日期
1946.06.14
申请人
HOOVER LIMITED
发明人
分类号
A47L9/10;A47L9/12;A47L9/16;A47L9/20
主分类号
A47L9/10
代理机构
代理人
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