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发明名称
Coil supporting reel
摘要
申请公布号
US2391321(A)
申请公布日期
1945.12.18
申请号
US19440530771
申请日期
1944.04.13
申请人
F. J. LITTELL MACHINE COMPANY
发明人
LITTELL FREDERICK M.
分类号
B21C47/04
主分类号
B21C47/04
代理机构
代理人
主权项
地址
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