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经营范围
发明名称
THYRATRONS
摘要
申请公布号
GB1583493(A)
申请公布日期
1981.01.28
申请号
GB19770027940
申请日期
1978.03.08
申请人
ENGLISH ELECTRIC VALVE CO LTD
发明人
分类号
H01J17/54;(IPC1-7):H01J17/54
主分类号
H01J17/54
代理机构
代理人
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