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经营范围
发明名称
Electric suction cleaner
摘要
申请公布号
US1766929(A)
申请公布日期
1930.06.24
申请号
US19290386165
申请日期
1929.08.15
申请人
THE SINGER MANUFACTURING COMPANY
发明人
NAUL JAMES M.
分类号
A47L9/28
主分类号
A47L9/28
代理机构
代理人
主权项
地址
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