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经营范围
发明名称
Vacuum cleaner
摘要
申请公布号
US2246438(A)
申请公布日期
1941.06.17
申请号
US19360085839
申请日期
1936.06.18
申请人
ELECTROLUX CORPORATION
发明人
HEDLUND WILLIAM T.
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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