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发明名称
Procédé et dispositif de soudage à l'arc électrique en atmosphère protectrice
摘要
申请公布号
FR1105309(A)
申请公布日期
1955.11.29
申请号
FRD1105309
申请日期
1954.05.25
申请人
L'AIR LIQUIDE
发明人
分类号
B23K9/16
主分类号
B23K9/16
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