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发明名称
Système de ventilateur particulièrement applicable aux appareils pour le nettoyage par le vide
摘要
申请公布号
FR778768(A)
申请公布日期
1935.03.23
申请号
FRD778768
申请日期
1934.07.18
申请人
INVENTIA PATENT-VERWERTUNGS-GESELLSCHAFT
发明人
分类号
A47L5/18;A47L5/36
主分类号
A47L5/18
代理机构
代理人
主权项
地址
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