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发明名称
Dispositif amortisseur de bruit pour aspirateurs de poussière
摘要
申请公布号
FR765663(A)
申请公布日期
1934.06.14
申请号
FRD765663
申请日期
1933.12.13
申请人
MAUZ & PFEIFFER
发明人
分类号
A47L5/36;A47L9/22
主分类号
A47L5/36
代理机构
代理人
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