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经营范围
发明名称
Polishing and scrubbing device
摘要
申请公布号
US2088650(A)
申请公布日期
1937.08.03
申请号
US19340720736
申请日期
1934.04.16
申请人
HARTLEY HARRISON S
发明人
HARTLEY HARRISON S.
分类号
A47L11/04
主分类号
A47L11/04
代理机构
代理人
主权项
地址
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