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发明名称
Mop
摘要
申请公布号
US2203451(A)
申请公布日期
1940.06.04
申请号
US19370156007
申请日期
1937.07.27
申请人
ANDERSON ARTHUR M
发明人
ANDERSON ARTHUR M.
分类号
A47L13/46
主分类号
A47L13/46
代理机构
代理人
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地址
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