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发明名称
Invalid walking and apparatus
摘要
申请公布号
US2206234(A)
申请公布日期
1940.07.02
申请号
US19380202864
申请日期
1938.04.19
申请人
MURRAY VIRGIL A
发明人
MURRAY VIRGIL A.
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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