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发明名称
SUCTION CLEANER HAVING SIGNAL FOR INDICATING NEED TO REMOVE DUST BAG
摘要
申请公布号
CA558859(A)
申请公布日期
1958.06.17
申请号
CAD558859
申请日期
申请人
AKTIEBOLAGET ELEKTROLUX
发明人
ERIK R. CARLBERG
分类号
主分类号
代理机构
代理人
主权项
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