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发明名称
Coil spring assembly and components thereof
摘要
申请公布号
US3052460(A)
申请公布日期
1962.09.04
申请号
US19580714183
申请日期
1958.02.10
申请人
NACHMAN CORPORATION
发明人
JR. FRED A. NACHMAN,
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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