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经营范围
发明名称
Suction cleaner
摘要
申请公布号
US2232766(A)
申请公布日期
1941.02.25
申请号
US19380188234
申请日期
1938.02.02
申请人
THE HOOVER COMPANY
发明人
BOYLE ROBERT S.
分类号
A47L5/34
主分类号
A47L5/34
代理机构
代理人
主权项
地址
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