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发明名称
Procédé perfectionné de soudure à l'arc sous la protection d'un gaz
摘要
申请公布号
FR69417(E)
申请公布日期
1958.11.06
申请号
FRD69417
申请日期
1956.02.15
申请人
UNION CARBIDE AND CARBON CORPORATION
发明人
分类号
B23K35/40
主分类号
B23K35/40
代理机构
代理人
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