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发明名称
Vacuum cleaner
摘要
申请公布号
US2093913(A)
申请公布日期
1937.09.21
申请号
US19340749547
申请日期
1934.10.23
申请人
GENERAL ELECTRIC COMPANY
发明人
HAYS DAVID
分类号
A47L5/28;A47L9/30
主分类号
A47L5/28
代理机构
代理人
主权项
地址
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