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发明名称
Self-locking shoe-buckle holder
摘要
申请公布号
US1747007(A)
申请公布日期
1930.02.11
申请号
US19290337622
申请日期
1929.02.05
申请人
HOFFMANN FRED G
发明人
HOFFMANN FRED G.
分类号
A43B23/24
主分类号
A43B23/24
代理机构
代理人
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地址
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