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经营范围
发明名称
Wire twisting machine
摘要
申请公布号
US2944380(A)
申请公布日期
1960.07.12
申请号
US19570634268
申请日期
1957.01.15
申请人
GENERAL ELECTRIC COMPANY
发明人
KLAPPER JOHN J.;JR. CLAUDE C. SMITH,
分类号
B21C47/04;B21C47/14;D07B3/08
主分类号
B21C47/04
代理机构
代理人
主权项
地址
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