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经营范围
发明名称
PERFECCIONAMIENTOS EN LAS POLEAS DE CABLE CON FORRO O GUARNICION RECAMBIABLE,PARTICULARMENTE PARA INSTALACIONES DE POZOS MINEROS
摘要
申请公布号
ES247740(A1)
申请公布日期
1959.07.01
申请号
ES19400002477
申请日期
1959.03.06
申请人
GUTEHOFFNUNGSHUETTE STERKRADE A.G.
发明人
分类号
(IPC1-7):E21D
主分类号
(IPC1-7):E21D
代理机构
代理人
主权项
地址
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