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发明名称
Yarn-advancing reel
摘要
申请公布号
US2432046(A)
申请公布日期
1947.12.02
申请号
US19460656625
申请日期
1946.03.23
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
STAFFORD ROBERT H.
分类号
D01D10/04
主分类号
D01D10/04
代理机构
代理人
主权项
地址
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