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发明名称
Vacuum cleaner
摘要
申请公布号
US2174443(A)
申请公布日期
1939.09.26
申请号
US19350052027
申请日期
1935.11.29
申请人
ELECTROLUX CORPORATION
发明人
LOFGREN GUSTAF EINAR
分类号
A47L5/36;A47L9/22
主分类号
A47L5/36
代理机构
代理人
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地址
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