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发明名称
Advancing reel threading device
摘要
申请公布号
US2420537(A)
申请公布日期
1947.05.13
申请号
US19460668648
申请日期
1946.05.10
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
GUENTHER ARTHUR E.;MOLYNEUX LEE B.
分类号
B65H51/06;D01H15/00
主分类号
B65H51/06
代理机构
代理人
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地址
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