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发明名称
Spring unit and method of constructing the same
摘要
申请公布号
US2309164(A)
申请公布日期
1943.01.26
申请号
US19380235565
申请日期
1938.10.18
申请人
THE OWEN SILENT SPRING COMPANY, INC.
发明人
BURD GORMAN C.
分类号
A47C27/06
主分类号
A47C27/06
代理机构
代理人
主权项
地址
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