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经营范围
发明名称
Improvements in or applicable to spring mattresses and seating surfaces
摘要
申请公布号
GB397900(A)
申请公布日期
1933.08.28
申请号
GB19320005904
申请日期
1932.02.27
申请人
JOHN EDMUND LESLIE MARSHALL
发明人
分类号
A47C27/06
主分类号
A47C27/06
代理机构
代理人
主权项
地址
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