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发明名称
Shoe lace fastening device
摘要
申请公布号
US1827424(A)
申请公布日期
1931.10.13
申请号
US19310508585
申请日期
1931.01.14
申请人
ELLSWORTH FRANCIS P
发明人
ELLSWORTH FRANCIS P.
分类号
A43C7/04
主分类号
A43C7/04
代理机构
代理人
主权项
地址
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