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发明名称
Chair
摘要
申请公布号
US2542931(A)
申请公布日期
1951.02.20
申请号
US19490074602
申请日期
1949.02.04
申请人
LIGHTFOOT KARL M
发明人
LIGHTFOOT KARL M.
分类号
A47C7/20
主分类号
A47C7/20
代理机构
代理人
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