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经营范围
发明名称
Cleaning pad
摘要
申请公布号
US2287477(A)
申请公布日期
1942.06.23
申请号
US19410390925
申请日期
1941.04.29
申请人
ISRAEL DAVID P
发明人
ISRAEL DAVID P.
分类号
A47L13/03
主分类号
A47L13/03
代理机构
代理人
主权项
地址
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