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发明名称
Method of producing electric discharge tubes
摘要
申请公布号
GB407373(A)
申请公布日期
1934.03.16
申请号
GB19320025765
申请日期
1932.09.16
申请人
SIEGMUND LOEWE
发明人
分类号
H01J9/04
主分类号
H01J9/04
代理机构
代理人
主权项
地址
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