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发明名称
Arch support
摘要
申请公布号
US2148974(A)
申请公布日期
1939.02.28
申请号
US19380222521
申请日期
1938.08.01
申请人
JOHN WYSOWSKI
发明人
WYSOWSKI JOHN
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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