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经营范围
发明名称
Suction nozzle
摘要
申请公布号
US2296462(A)
申请公布日期
1942.09.22
申请号
US19400369932
申请日期
1940.12.13
申请人
ELECTROLUX CORPORATION
发明人
BETTS THOMAS C.
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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