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经营范围
发明名称
Vacuum cleaner
摘要
申请公布号
US1789203(A)
申请公布日期
1931.01.13
申请号
US19290354043
申请日期
1929.04.10
申请人
UPTON WILLIAM H
发明人
UPTON WILLIAM H.
分类号
A47L5/36
主分类号
A47L5/36
代理机构
代理人
主权项
地址
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