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发明名称
Improvements in and relating to electrical frequency responsive relays
摘要
申请公布号
GB728002(A)
申请公布日期
1955.04.13
申请号
GB19520023566
申请日期
1952.09.19
申请人
THE ENGLISH ELECTRIC COMPANY LIMITED
发明人
THOMPSON WILLIAM ALEXANDER;CAPPER BRIAN LESLIE
分类号
H01H51/32
主分类号
H01H51/32
代理机构
代理人
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地址
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