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经营范围
发明名称
Improvements in and relating to spring supporting surfaces and springs therefor
摘要
申请公布号
GB782226(A)
申请公布日期
1957.09.04
申请号
GB19550023269
申请日期
1955.08.12
申请人
NO-SAG SPRING COMPANY (GREAT BRITAIN) LIMITED
发明人
分类号
A47C23/16
主分类号
A47C23/16
代理机构
代理人
主权项
地址
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