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经营范围
发明名称
Mattress
摘要
申请公布号
US2550293(A)
申请公布日期
1951.04.24
申请号
US19470743494
申请日期
1947.04.24
申请人
JOHN PLATIS
发明人
PLATIS JOHN
分类号
A47C27/00
主分类号
A47C27/00
代理机构
代理人
主权项
地址
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