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发明名称
Floor polishing device
摘要
申请公布号
US2609555(A)
申请公布日期
1952.09.09
申请号
US19480049877
申请日期
1948.09.18
申请人
ELECTROLUX CORPORATION
发明人
ANDERSON EMIL
分类号
A47L11/206
主分类号
A47L11/206
代理机构
代理人
主权项
地址
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