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发明名称
Mechanical walker for invalids
摘要
申请公布号
US2627904(A)
申请公布日期
1953.02.10
申请号
US19510206359
申请日期
1951.01.17
申请人
ELMER F. RIES;CECIL L. HALL
发明人
THIEMAN JOHN B.
分类号
A61H3/00
主分类号
A61H3/00
代理机构
代理人
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地址
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