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发明名称
Process of manufacturing semistiff collars
摘要
申请公布号
US2261773(A)
申请公布日期
1941.11.04
申请号
US19390266422
申请日期
1939.04.06
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
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地址
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