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发明名称
Improvements in nozzles for vacuum cleaners
摘要
申请公布号
GB517894(A)
申请公布日期
1940.02.12
申请号
GB19380024239
申请日期
1938.08.17
申请人
ELECTROLUX LIMITED
发明人
分类号
A47L9/06;H01B7/18
主分类号
A47L9/06
代理机构
代理人
主权项
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