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发明名称
Yarn switch
摘要
申请公布号
US3294305(A)
申请公布日期
1966.12.27
申请号
US19640360942
申请日期
1964.04.20
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
SCHIMPF ROBERT GEORGE
分类号
B65H54/88
主分类号
B65H54/88
代理机构
代理人
主权项
地址
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