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发明名称
Suction cleaner nozzle and adjustable brush therefor
摘要
申请公布号
US2199643(A)
申请公布日期
1940.05.07
申请号
US19370132556
申请日期
1937.03.23
申请人
THE P. A. GEIER COMPANY
发明人
MARTINET EUGENE F.
分类号
A47L9/06
主分类号
A47L9/06
代理机构
代理人
主权项
地址
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