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发明名称
Improvements in electric discharge devices
摘要
申请公布号
GB604674(A)
申请公布日期
1948.07.08
申请号
GB19450007462
申请日期
1945.03.23
申请人
WESTERN ELECTRIC COMPANY INCORPORATED
发明人
分类号
H01J25/64
主分类号
H01J25/64
代理机构
代理人
主权项
地址
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