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发明名称
Spring supported chair
摘要
申请公布号
US2586951(A)
申请公布日期
1952.02.26
申请号
US19450612154
申请日期
1945.08.23
申请人
DOROTHY K. S. JOHNSON
发明人
JOHNSON ARTHUR E.
分类号
A47C3/025
主分类号
A47C3/025
代理机构
代理人
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地址
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