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发明名称
SISTEMA DE CANALIZACION SUBTERRANEA PARA LA INSTALACION DE CABLES ELECTRICOS DE ALTA TENSION
摘要
申请公布号
ES235314(A1)
申请公布日期
1957.11.16
申请号
ES19140002353
申请日期
1957.04.26
申请人
PIRELLI, SOCIETA PER AZIONI
发明人
分类号
H02G;(IPC1-7):H02G
主分类号
H02G
代理机构
代理人
主权项
地址
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