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发明名称
Suction cleaner
摘要
申请公布号
US2130484(A)
申请公布日期
1938.09.20
申请号
US19350011024
申请日期
1935.03.14
申请人
THE HOOVER COMPANY
发明人
CUMMINGS STANLEY R.
分类号
A47L5/30
主分类号
A47L5/30
代理机构
代理人
主权项
地址
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