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经营范围
发明名称
Improvements in or relating to spring seats, mattresses and the like
摘要
申请公布号
GB629113(A)
申请公布日期
1949.09.13
申请号
GB19470002137
申请日期
1947.01.23
申请人
CHISWELL WIRE COMPANY LIMITED;JAMES SIBTHORP
发明人
分类号
A47C23/053
主分类号
A47C23/053
代理机构
代理人
主权项
地址
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