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发明名称
Wheel chair
摘要
申请公布号
US2576413(A)
申请公布日期
1951.11.27
申请号
US19470773438
申请日期
1947.09.11
申请人
PADJEN JOHN A
发明人
PADJEN JOHN A.
分类号
A61G5/02
主分类号
A61G5/02
代理机构
代理人
主权项
地址
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