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发明名称
Improvements in or relating to electric discharge device constructions
摘要
申请公布号
GB456048(A)
申请公布日期
1935.07.26
申请号
GB19350002400
申请日期
1935.01.24
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
H01J5/42
主分类号
H01J5/42
代理机构
代理人
主权项
地址
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