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经营范围
发明名称
Ambulatory invalid chair
摘要
申请公布号
US2578828(A)
申请公布日期
1951.12.18
申请号
US19460698105
申请日期
1946.09.20
申请人
NELSON WALTER R
发明人
NELSON WALTER R.
分类号
A61G5/00;A61G5/02;A61G5/12
主分类号
A61G5/00
代理机构
代理人
主权项
地址
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