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发明名称
PROCEDE DE REALISATION DE PIECES CREUSES A PAROI EPAISSE, EN PARTICULIER CYLINDRIQUE, PAR APPORT DE MATIERE DE SOUDAGE
摘要
申请公布号
BE790147(A1)
申请公布日期
1973.04.16
申请号
BED790147
申请日期
申请人
SULZER FRERES S.A., A WINTERTHUR (SUISSE),
发明人
分类号
B23K9/04;(IPC1-7):B23K/
主分类号
B23K9/04
代理机构
代理人
主权项
地址
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