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经营范围
发明名称
Metal arc welding
摘要
Metal are automatically or semi-automatically welded using an electric arc, wherein the welding nozzle is protected by coating it with an anti-spray compd. consisting of a hydrocarbon-petroleum fat.
申请公布号
DE1934638(A1)
申请公布日期
1971.02.11
申请号
DE19691934638
申请日期
1969.07.08
申请人
BLAKE,PAUL V.
发明人
V. BLAKE,PAUL
分类号
B23K9/29
主分类号
B23K9/29
代理机构
代理人
主权项
地址
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