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发明名称
Vacuum cleaner brush mounting
摘要
申请公布号
US1835321(A)
申请公布日期
1931.12.08
申请号
US19280316318
申请日期
1928.10.31
申请人
HAMILTON BEACH MFG. CO.
发明人
NIELSEN EMANUEL
分类号
A47L5/34
主分类号
A47L5/34
代理机构
代理人
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地址
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