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发明名称
Filtre à manche d'aspiration à nettoyage par un courant d'air
摘要
申请公布号
FR929171(A)
申请公布日期
1947.12.18
申请号
FRD929171
申请日期
1946.06.15
申请人
GEBRU:DER BU:HLER
发明人
分类号
A47L9/10;B01D46/04;B23K9/02;B23K9/038;F02M35/08
主分类号
A47L9/10
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