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发明名称
Double nose coil spring
摘要
申请公布号
US2593953(A)
申请公布日期
1952.04.22
申请号
US19490118755
申请日期
1949.09.30
申请人
BURTON-DIXIE CORPORATION
发明人
WUNDERLICH WILLIAM E.
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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