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发明名称
Protective systems for underground electric cables
摘要
申请公布号
GB304141(A)
申请公布日期
1930.05.14
申请号
GB19290001268
申请日期
1929.01.14
申请人
SOCIETA ANONIMA ROBERTO ARDIGO BREVETTI I.G.S.
发明人
分类号
H01B7/32
主分类号
H01B7/32
代理机构
代理人
主权项
地址
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