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发明名称
Upholstery spring construction
摘要
申请公布号
US2577812(A)
申请公布日期
1951.12.11
申请号
US19470769891
申请日期
1947.08.21
申请人
EMANUEL SAMEL
发明人
SAMEL EMANUEL
分类号
A47C23/055
主分类号
A47C23/055
代理机构
代理人
主权项
地址
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