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发明名称
Vacuum cleaner
摘要
申请公布号
US2071838(A)
申请公布日期
1937.02.23
申请号
US19350024528
申请日期
1935.06.01
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
JORDAN RICHARD H.
分类号
A47L9/32
主分类号
A47L9/32
代理机构
代理人
主权项
地址
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