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发明名称
Conical shell heel construction
摘要
申请公布号
US3086302(A)
申请公布日期
1963.04.23
申请号
US19600023405
申请日期
1960.04.20
申请人
ROBERT SULTAN
发明人
SULTAN ROBERT
分类号
A43B21/00
主分类号
A43B21/00
代理机构
代理人
主权项
地址
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