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经营范围
发明名称
Suction cleaners
摘要
申请公布号
US2755883(A)
申请公布日期
1956.07.24
申请号
US19540402717
申请日期
1954.01.07
申请人
THE HOOVER COMPANY
发明人
BRACE GEORGE A.
分类号
A47L5/36;A47L9/14
主分类号
A47L5/36
代理机构
代理人
主权项
地址
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