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发明名称
Perfectionnements aux porte-électrodes pour la soudure à l'arc
摘要
申请公布号
FR941257(A)
申请公布日期
1949.01.06
申请号
FRD941257
申请日期
1947.01.16
申请人
COMPAGNIE FRANCAISE THOMSON-HOUSTON
发明人
分类号
B23K9/28
主分类号
B23K9/28
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代理人
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