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发明名称
Brush attaching device for scrubbing machines
摘要
申请公布号
US1875138(A)
申请公布日期
1932.08.30
申请号
US19300505304
申请日期
1930.12.29
申请人
ADVANCE MACHINE COMPANY, INC.
发明人
POND HAROLD J.;THIELEN WILLIAM
分类号
A47L11/16
主分类号
A47L11/16
代理机构
代理人
主权项
地址
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