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发明名称
Improvements in or relating to chairs
摘要
申请公布号
GB640801(A)
申请公布日期
1950.07.26
申请号
GB19480022734
申请日期
1948.08.28
申请人
PERCIVAL WILLIAM KNIGHT
发明人
分类号
A47C7/54
主分类号
A47C7/54
代理机构
代理人
主权项
地址
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