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发明名称
Improvements in and relating to spring supports for chairs, sofas and the like
摘要
申请公布号
GB485887(A)
申请公布日期
1938.05.26
申请号
GB19370002145
申请日期
1937.01.25
申请人
STANLEY RONALD CHOULES
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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