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发明名称
Improvements in or relating to a method of arc welding, apparatus therefor and to the making of bimetallic billets
摘要
申请公布号
GB781793(A)
申请公布日期
1957.08.28
申请号
GB19550006161
申请日期
1955.03.02
申请人
SUPERIOR STEEL CORPORATION
发明人
分类号
B23K9/23
主分类号
B23K9/23
代理机构
代理人
主权项
地址
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