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经营范围
发明名称
Floor processing machine
摘要
申请公布号
US2541812(A)
申请公布日期
1951.02.13
申请号
US19470783185
申请日期
1947.10.30
申请人
FINNELL WALTER S
发明人
FINNELL WALTER S.
分类号
A47L11/162
主分类号
A47L11/162
代理机构
代理人
主权项
地址
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