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经营范围
发明名称
Yarn guide for shaping tow
摘要
申请公布号
US3277537(A)
申请公布日期
1966.10.11
申请号
US19640348529
申请日期
1964.03.02
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
ROEDER RICHARD M.;JR. DAVID DONALD DRUMMOND,
分类号
B65H57/00
主分类号
B65H57/00
代理机构
代理人
主权项
地址
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