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经营范围
发明名称
Improvements in and relating to spring assemblies in or for seats, mattresses, cushions, seat backs and the like
摘要
申请公布号
GB733620(A)
申请公布日期
1955.07.13
申请号
GB19520006358
申请日期
1952.03.11
申请人
JAMES SIBTHORP
发明人
分类号
A47C7/32
主分类号
A47C7/32
代理机构
代理人
主权项
地址
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