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发明名称
Swivel connection
摘要
申请公布号
US2281082(A)
申请公布日期
1942.04.28
申请号
US19400336493
申请日期
1940.05.22
申请人
ELECTROLUX CORPORATION
发明人
STEVENS CLARENCE EVERETT
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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