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经营范围
发明名称
Spring-filled mattress
摘要
申请公布号
US2466096(A)
申请公布日期
1949.04.05
申请号
US19460713688
申请日期
1946.12.03
申请人
WILLIAM D. HARP
发明人
GARRIGUS ROBERT O.
分类号
A47C27/04;A47C27/05
主分类号
A47C27/04
代理机构
代理人
主权项
地址
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