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经营范围
发明名称
UN PROCEDIMIENTO, CON EL ELECTRODO CORRESPONDIENTE, PARA LA SOLDADURA ELÉCTRICA POR ARCO
摘要
申请公布号
ES187809(A1)
申请公布日期
1949.07.16
申请号
ES19090001878
申请日期
1949.04.13
申请人
PHILIPS'GLOEILAMPENFABRIEKEN, N. V.
发明人
分类号
(IPC1-7):B23
主分类号
(IPC1-7):B23
代理机构
代理人
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