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发明名称
Improvement in electric discharge tubes
摘要
申请公布号
GB408911(A)
申请公布日期
1934.04.19
申请号
GB19330033372
申请日期
1933.11.29
申请人
JENAER GLASWERK SCHOTT & GEN.
发明人
分类号
H01J17/04
主分类号
H01J17/04
代理机构
代理人
主权项
地址
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