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经营范围
发明名称
Wire twisting device
摘要
申请公布号
US2450876(A)
申请公布日期
1948.10.12
申请号
US19450617226
申请日期
1945.09.19
申请人
UNIVERSAL WIRE SPRING COMPANY
发明人
BLUMENSAADT SVEND G.;BIELAK FRANK A.
分类号
B21F35/00
主分类号
B21F35/00
代理机构
代理人
主权项
地址
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