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发明名称
Improvements in and relating to electric welding torches
摘要
申请公布号
GB420043(A)
申请公布日期
1934.11.23
申请号
GB19340013284
申请日期
1934.05.02
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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