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发明名称
Yarn production
摘要
申请公布号
US2364407(A)
申请公布日期
1944.12.05
申请号
US19410394617
申请日期
1941.05.22
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
WALKER ISAAC F.
分类号
D01F2/06;D01F13/02
主分类号
D01F2/06
代理机构
代理人
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地址
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