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经营范围
发明名称
Vacuum cleaner
摘要
申请公布号
US2134396(A)
申请公布日期
1938.10.25
申请号
US19350041753
申请日期
1935.09.23
申请人
SHERMAN T. HANDY
发明人
CAMPBELL EDWARD
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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