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经营范围
发明名称
Suction cleaner
摘要
申请公布号
US2063061(A)
申请公布日期
1936.12.08
申请号
US19350043953
申请日期
1935.10.07
申请人
BIRTMAN ELECTRIC COMPANY
发明人
SPARKLIN CHARLES H.
分类号
A47L5/34
主分类号
A47L5/34
代理机构
代理人
主权项
地址
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