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经营范围
发明名称
Improvements in or relating to preformed sinuous springs and cushions constructed therefrom
摘要
申请公布号
GB658694(A)
申请公布日期
1951.10.10
申请号
GB19490008044
申请日期
1949.03.24
申请人
NO-SAG SPRING COMPANY
发明人
分类号
A47C7/30;B60N2/70;F26B3/30
主分类号
A47C7/30
代理机构
代理人
主权项
地址
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