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发明名称
Paper roll holder
摘要
申请公布号
US2164064(A)
申请公布日期
1939.06.27
申请号
US19370119611
申请日期
1937.01.08
申请人
LEO M. HARVEY
发明人
HARVEY HERBERT
分类号
A47K10/22
主分类号
A47K10/22
代理机构
代理人
主权项
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