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发明名称
Suction nozzles for vacuum cleaners
摘要
申请公布号
US2815525(A)
申请公布日期
1957.12.10
申请号
US19540438645
申请日期
1954.06.23
申请人
ELECTROLUX CORPORATION
发明人
LOFGREN GUSTAF EINAR
分类号
A47L9/02
主分类号
A47L9/02
代理机构
代理人
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地址
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