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经营范围
发明名称
Semistiff collar
摘要
申请公布号
US2467438(A)
申请公布日期
1949.04.19
申请号
US19450589458
申请日期
1945.04.20
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
MCBURNEY DORMAN
分类号
A41B3/10
主分类号
A41B3/10
代理机构
代理人
主权项
地址
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