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发明名称
Improvements in and relating to polyphase protective relay systems
摘要
申请公布号
GB890309(A)
申请公布日期
1962.02.28
申请号
GB19570018184
申请日期
1957.06.07
申请人
THE ENGLISH ELECTRIC COMPANY LIMITED
发明人
WARRINGTO ALBERT RUSSELL VAN CORTLANDT
分类号
H02H3/38
主分类号
H02H3/38
代理机构
代理人
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地址
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