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发明名称
Improvements in spring seating surfaces
摘要
申请公布号
GB645113(A)
申请公布日期
1950.10.25
申请号
GB19480021246
申请日期
1948.08.12
申请人
JOHN EDMQND LESLIE MARSHALL
发明人
分类号
A47C7/30;B60N2/70
主分类号
A47C7/30
代理机构
代理人
主权项
地址
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