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经营范围
发明名称
Improvements in electric arc welding systems and apparatus
摘要
申请公布号
GB729747(A)
申请公布日期
1955.05.11
申请号
GB19520002751
申请日期
1952.02.01
申请人
FOSTER TRANSFORMERS LIMITED;ROBERT EDWARD JENNINGS
发明人
分类号
B23K9/073
主分类号
B23K9/073
代理机构
代理人
主权项
地址
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