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发明名称
Vacuum cleaner
摘要
申请公布号
US1782640(A)
申请公布日期
1930.11.25
申请号
US19240705371
申请日期
1924.04.09
申请人
INVENTIA PATENT-VERWERTUNGS-GESELLSCHAFT
发明人
WENNER-GREN AXEL LEONARD
分类号
A47L9/12
主分类号
A47L9/12
代理机构
代理人
主权项
地址
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