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发明名称
Cleaning pad
摘要
申请公布号
US2363064(A)
申请公布日期
1944.11.21
申请号
US19430496932
申请日期
1943.07.31
申请人
ISRAEL DAVID P
发明人
ISRAEL DAVID P.
分类号
A47L13/16
主分类号
A47L13/16
代理机构
代理人
主权项
地址
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