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经营范围
发明名称
Walking device
摘要
申请公布号
US2392735(A)
申请公布日期
1946.01.08
申请号
US19440519046
申请日期
1944.01.20
申请人
HAHN KENNETH F
发明人
HAHN KENNETH F.
分类号
A61F13/04
主分类号
A61F13/04
代理机构
代理人
主权项
地址
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