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发明名称
Thread holder
摘要
申请公布号
US2605981(A)
申请公布日期
1952.08.05
申请号
US19500188203
申请日期
1950.10.03
申请人
GILBERT JEAN W
发明人
GILBERT JEAN W.
分类号
B65H75/28
主分类号
B65H75/28
代理机构
代理人
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