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发明名称
Quick lace shoelace tightener
摘要
申请公布号
US2673381(A)
申请公布日期
1954.03.30
申请号
US19510261486
申请日期
1951.12.13
申请人
DUEKER FRED E
发明人
DUEKER FRED E.
分类号
A43C11/00
主分类号
A43C11/00
代理机构
代理人
主权项
地址
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