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发明名称
Improvements in suction nozzles for vacuum cleaners
摘要
申请公布号
GB352241(A)
申请公布日期
1931.07.09
申请号
GB19300019839
申请日期
1930.06.30
申请人
ELECTROLUX LIMITED
发明人
分类号
A47L9/02
主分类号
A47L9/02
代理机构
代理人
主权项
地址
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