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经营范围
发明名称
Vacuum cleaner
摘要
申请公布号
US2091642(A)
申请公布日期
1937.08.31
申请号
US19360063704
申请日期
1936.02.13
申请人
MCMANUS ENGINEERING CORPORATION
发明人
LINGENBRINK HERMANN
分类号
A47L5/18
主分类号
A47L5/18
代理机构
代理人
主权项
地址
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