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发明名称
Improvements in and relating to electro-responsive devices
摘要
申请公布号
GB508004(A)
申请公布日期
1939.06.22
申请号
GB19370032147
申请日期
1937.11.22
申请人
THE BRITISH THOMSON-HOUSTON COMPANY, LIMITED
发明人
分类号
H02H3/42
主分类号
H02H3/42
代理机构
代理人
主权项
地址
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