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发明名称
Improvements in hot cathode discharge apparatus
摘要
申请公布号
GB434687(A)
申请公布日期
1935.09.06
申请号
GB19350007283
申请日期
1935.03.08
申请人
AKTIENGESELLSCHAFT BROWN, BOVERI & CIE.
发明人
分类号
H01J17/52
主分类号
H01J17/52
代理机构
代理人
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地址
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