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发明名称
Procédé de travail à l'arc électrique présentant un système de protection secondaire
摘要
申请公布号
FR1347997(A)
申请公布日期
1964.01.04
申请号
FR19630920819
申请日期
1963.01.08
申请人
UNION CARBIDE CORPORATION
发明人
分类号
B23K9/29;B23K9/32
主分类号
B23K9/29
代理机构
代理人
主权项
地址
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