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发明名称
Bed mattress
摘要
申请公布号
US2471125(A)
申请公布日期
1949.05.24
申请号
US19470753646
申请日期
1947.06.10
申请人
SOHN CARL R;SOHN ARTHUR G
发明人
SOHN CARL R.;SOHN ARTHUR G.
分类号
A47C27/045
主分类号
A47C27/045
代理机构
代理人
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地址
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