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发明名称
Vacuum cleaner
摘要
申请公布号
US2176455(A)
申请公布日期
1939.10.17
申请号
US19360103882
申请日期
1936.10.03
申请人
AIR-WAY ELECTRIC APPLIANCE CORPORATION
发明人
DOW DEWEY M.
分类号
A47L5/34;A47L9/22
主分类号
A47L5/34
代理机构
代理人
主权项
地址
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