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发明名称
LEVEL INDICATOR FOR INDICATING THE FILLING LEVEL OF A FILTER BAG AND METHOD FOR OPERATING A VACUUM CLEANER
摘要
申请公布号
EP1289401(B1)
申请公布日期
2004.08.11
申请号
EP20010936444
申请日期
2001.06.08
申请人
VORWERK & CO. INTERHOLDING GMBH
发明人
ARNOLD, HANS-PETER;HOFFMANN, THOMAS
分类号
A47L9/19;A47L9/28;G01F23/16;(IPC1-7):A47L9/19
主分类号
A47L9/19
代理机构
代理人
主权项
地址
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