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经营范围
发明名称
Vacuum cleaner
摘要
申请公布号
US2037557(A)
申请公布日期
1936.04.14
申请号
US19330694978
申请日期
1933.10.24
申请人
ELECTROLUX CORPORATION
发明人
AHNSTROM ERIK GUSTAF
分类号
A47L9/22
主分类号
A47L9/22
代理机构
代理人
主权项
地址
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