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发明名称
Improvements in or relating to electric discharge tubes
摘要
申请公布号
GB480066(A)
申请公布日期
1938.02.16
申请号
GB19370013105
申请日期
1937.05.07
申请人
C. LORENZ AKTIENGESELLSCHAFT
发明人
分类号
H01J5/44
主分类号
H01J5/44
代理机构
代理人
主权项
地址
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