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发明名称
Perfectionnements aux dispositifs d'imprégnation de l'air pour appareils de nettoyage par le vide
摘要
申请公布号
FR777565(A)
申请公布日期
1935.02.23
申请号
FRD777565
申请日期
1934.08.23
申请人
HOOVER LIMITED
发明人
分类号
A61L9/12
主分类号
A61L9/12
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