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发明名称
Dispositif pour l'amortissement des bruits d'air dans les aspirateurs de poussière
摘要
申请公布号
FR757994(A)
申请公布日期
1934.01.08
申请号
FRD757994
申请日期
1933.07.04
申请人
SIEMENS-SCHUCKERTWERKE AKTIENGESELLSCHAFT
发明人
分类号
A47L5/36;G03C5/20
主分类号
A47L5/36
代理机构
代理人
主权项
地址
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