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经营范围
发明名称
Floor polishing machine
摘要
申请公布号
US1973915(A)
申请公布日期
1934.09.18
申请号
US19300480646
申请日期
1930.09.09
申请人
HARRY M. MADDEN
发明人
STINSMAN EDGAR STANLEY
分类号
A47L11/18
主分类号
A47L11/18
代理机构
代理人
主权项
地址
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