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发明名称
Improvements in and relating to welding torches
摘要
申请公布号
GB297032(A)
申请公布日期
1930.02.06
申请号
GB19280025593
申请日期
1928.09.06
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED
发明人
分类号
B23K9/28
主分类号
B23K9/28
代理机构
代理人
主权项
地址
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