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经营范围
发明名称
Improvements in or relating to electric gaseous discharge rectifiers
摘要
申请公布号
GB648454(A)
申请公布日期
1951.01.03
申请号
GB19480001459
申请日期
1948.01.16
申请人
HANS CARL BERTELE;NEVELIN ELECTRIC COMPANY LIMITED
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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