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经营范围
发明名称
Reinforcing and attaching means for cleaning element of mop
摘要
申请公布号
US2708282(A)
申请公布日期
1955.05.17
申请号
US19490087976
申请日期
1949.04.16
申请人
VAUGHN SIDNEY P
发明人
VAUGHN SIDNEY P.
分类号
A47L13/146
主分类号
A47L13/146
代理机构
代理人
主权项
地址
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