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发明名称
Improvements in or relating to electro-magnetic relays
摘要
申请公布号
GB574975(A)
申请公布日期
1946.01.29
申请号
GB19430018378
申请日期
1943.11.05
申请人
STANDARD TELEPHONES AND CABLES LIMITED;WILLIAM HENRY DRURY YULE
发明人
分类号
H01H51/22
主分类号
H01H51/22
代理机构
代理人
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