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经营范围
发明名称
Improvements in and relating to electric arc welding
摘要
申请公布号
GB788534(A)
申请公布日期
1958.01.02
申请号
GB19550036506
申请日期
1955.12.20
申请人
HUMES LIMITED
发明人
分类号
B23K9/025
主分类号
B23K9/025
代理机构
代理人
主权项
地址
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