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发明名称
Winding reel
摘要
申请公布号
US2299101(A)
申请公布日期
1942.10.20
申请号
US19410395967
申请日期
1941.05.31
申请人
ACME STEEL COMPANY
发明人
MACCHESNEY CHESTER M.
分类号
B21C47/30
主分类号
B21C47/30
代理机构
代理人
主权项
地址
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