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发明名称
Dual purpose rug nozzle for suction cleaners
摘要
申请公布号
US2622265(A)
申请公布日期
1952.12.23
申请号
US19470784897
申请日期
1947.11.08
申请人
ELECTROLUX CORPORATION
发明人
ALLEN OLIVER L.
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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