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发明名称
Spring shoe
摘要
申请公布号
US2837840(A)
申请公布日期
1958.06.10
申请号
US19560603348
申请日期
1956.08.10
申请人
KERPEL JULIUS A
发明人
KERPEL JULIUS A.
分类号
A63B25/10
主分类号
A63B25/10
代理机构
代理人
主权项
地址
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