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发明名称
Brush construction
摘要
申请公布号
US1844915(A)
申请公布日期
1932.02.09
申请号
US19280316319
申请日期
1928.10.31
申请人
HAMILTON BEACH MFG. CO.
发明人
NIELSEN EMANUEL
分类号
A47L9/06
主分类号
A47L9/06
代理机构
代理人
主权项
地址
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