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发明名称
Improvements in or relating to electro-magnetic devices
摘要
申请公布号
GB801051(A)
申请公布日期
1958.09.03
申请号
GB19550002199
申请日期
1955.01.25
申请人
PIERRE EUGENE UGON
发明人
分类号
H01H50/16
主分类号
H01H50/16
代理机构
代理人
主权项
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