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发明名称
Spring structure
摘要
申请公布号
US2218708(A)
申请公布日期
1940.10.22
申请号
US19380205908
申请日期
1938.05.04
申请人
THE MURRAY CORPORATION OF AMERICA
发明人
HABERSTUMP ALFRED H.
分类号
A47C31/02
主分类号
A47C31/02
代理机构
代理人
主权项
地址
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