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发明名称
Spring mattress, etc.
摘要
申请公布号
US1789154(A)
申请公布日期
1931.01.13
申请号
US19260141293
申请日期
1926.10.13
申请人
THE OWEN AUTOMATIC SPRING MACHINERY COMPANY
发明人
OWEN DAVID T.
分类号
A47C27/07
主分类号
A47C27/07
代理机构
代理人
主权项
地址
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