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发明名称
Arch support
摘要
申请公布号
US1853296(A)
申请公布日期
1932.04.12
申请号
US19290381181
申请日期
1929.07.26
申请人
BONFIELD ALFRED R
发明人
BONFIELD ALFRED R.
分类号
A43B7/22
主分类号
A43B7/22
代理机构
代理人
主权项
地址
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