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发明名称
Spring assembly
摘要
申请公布号
US2217156(A)
申请公布日期
1940.10.08
申请号
US19390302495
申请日期
1939.11.02
申请人
THE MOORE COMPANY
发明人
CONDON ELMER J.
分类号
A47C23/053
主分类号
A47C23/053
代理机构
代理人
主权项
地址
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