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发明名称
Procédé pour l'exécution d'outils munis par fusion de dépôts en aciers rapides
摘要
申请公布号
FR937031(A)
申请公布日期
1948.08.05
申请号
FRD937031
申请日期
1942.06.15
申请人
LA SOUDURE AUTOGENE FRANCAISE
发明人
分类号
B23K31/02
主分类号
B23K31/02
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代理人
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