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经营范围
发明名称
Suction cleaner
摘要
申请公布号
US1996934(A)
申请公布日期
1935.04.09
申请号
US19330671634
申请日期
1933.05.18
申请人
THE HOOVER COMPANY
发明人
SIEDLE ARNOLD D.
分类号
A47L9/30
主分类号
A47L9/30
代理机构
代理人
主权项
地址
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