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发明名称
Spring structure
摘要
申请公布号
US1863450(A)
申请公布日期
1932.06.14
申请号
US19300429420
申请日期
1930.02.18
申请人
REYNOLDS SPRING COMPANY
发明人
MCNALLY EDWARD D.
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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