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经营范围
发明名称
Self-aligning stool
摘要
申请公布号
US2217943(A)
申请公布日期
1940.10.15
申请号
US19380223882
申请日期
1938.08.03
申请人
CARLSON AXEL J
发明人
CARLSON AXEL J.
分类号
A47C3/18
主分类号
A47C3/18
代理机构
代理人
主权项
地址
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