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发明名称
Improvements in the manufacture of wire drawing dies
摘要
申请公布号
GB543821(A)
申请公布日期
1942.03.13
申请号
GB19410004474
申请日期
1941.04.03
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED
发明人
分类号
B21C3/18
主分类号
B21C3/18
代理机构
代理人
主权项
地址
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