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发明名称
Improvements in and relating to alternating current welding apparatus
摘要
申请公布号
GB727311(A)
申请公布日期
1955.03.30
申请号
GB19500010605
申请日期
1950.04.29
申请人
LICENTIA PATENT VERWALTUNGS G.M.B.H.
发明人
分类号
B23K9/073
主分类号
B23K9/073
代理机构
代理人
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地址
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