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发明名称
Improvements in electromagnetic switches of the type used in telephone systems
摘要
申请公布号
GB533186(A)
申请公布日期
1941.02.07
申请号
GB19390027945
申请日期
1939.10.16
申请人
THE GENERAL ELECTRIC COMPANY LIMITED;WILLIAM ROBERT ROSE
发明人
分类号
H01H67/16
主分类号
H01H67/16
代理机构
代理人
主权项
地址
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