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发明名称
Mattress
摘要
申请公布号
US2247667(A)
申请公布日期
1941.07.01
申请号
US19410375721
申请日期
1941.01.24
申请人
MAX ROSBERGER
发明人
ROSBERGER MAX
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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