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经营范围
发明名称
Orthopedic chair
摘要
申请公布号
US2655982(A)
申请公布日期
1953.10.20
申请号
US19490103052
申请日期
1949.07.05
申请人
CHRISTENSEN WILLIAM J
发明人
CHRISTENSEN WILLIAM J.
分类号
A61G5/00;A61G5/10
主分类号
A61G5/00
代理机构
代理人
主权项
地址
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