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发明名称
Perfectionnements dans la construction des appareils pour le nettoyage par le vide
摘要
申请公布号
FR685901(A)
申请公布日期
1930.07.18
申请号
FRD685901
申请日期
1929.12.02
申请人
INVENTIA PATENT-VERWERTUNGS-GESELLSCHAFT
发明人
分类号
A47L5/36
主分类号
A47L5/36
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