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发明名称
Perfectionnements à la soudure de deux pièces par un procédé de soudure à forte pénétration, en particulier par soudure électrique sous flux
摘要
申请公布号
FR1135009(A)
申请公布日期
1957.04.23
申请号
FRD1135009
申请日期
1955.10.28
申请人
PECQUET, TESSON & COMPAGNIE
发明人
分类号
B23K9/035
主分类号
B23K9/035
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代理人
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