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经营范围
发明名称
Improvements in or relating to the manufacture of cemented carbide discs
摘要
申请公布号
GB386359(A)
申请公布日期
1933.01.19
申请号
GB19310025083
申请日期
1931.09.07
申请人
THE BRITISH THOMSON-HOUSTON COMPANY, LIMITED
发明人
分类号
B22F3/14
主分类号
B22F3/14
代理机构
代理人
主权项
地址
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