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发明名称
Mattress
摘要
申请公布号
US2454220(A)
申请公布日期
1948.11.16
申请号
US19470752445
申请日期
1947.06.04
申请人
SEECHE MAURICE D
发明人
SEECHE MAURICE D.
分类号
A47C27/04
主分类号
A47C27/04
代理机构
代理人
主权项
地址
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