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经营范围
发明名称
Improvements in or relating to electric discharge tubes
摘要
申请公布号
GB441134(A)
申请公布日期
1936.01.09
申请号
GB19340020101
申请日期
1934.07.09
申请人
THE GENERAL ELECTRIC COMPANY LIMITED;ROBERT LEONARD BREADNER;ARTHUR GEORGE PEARCE
发明人
分类号
H01J5/32
主分类号
H01J5/32
代理机构
代理人
主权项
地址
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