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发明名称
Heel and tap therefor
摘要
申请公布号
US2851797(A)
申请公布日期
1958.09.16
申请号
US19570641403
申请日期
1957.02.20
申请人
RONCI FERNANDO M
发明人
RONCI FERNANDO M.
分类号
A43B21/38
主分类号
A43B21/38
代理机构
代理人
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地址
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