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经营范围
发明名称
Improvements in or relating to circuit arrangements for electric discharge tubes, more particularly glow discharge tubes
摘要
申请公布号
GB674933(A)
申请公布日期
1952.07.02
申请号
GB19480025829
申请日期
1948.10.04
申请人
FRANTISEK LEHMANN
发明人
分类号
H05B41/234
主分类号
H05B41/234
代理机构
代理人
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