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经营范围
发明名称
Improvements in or relating to circuit arrangements for discharge lamps and tubes
摘要
申请公布号
GB563376(A)
申请公布日期
1944.08.11
申请号
GB19430000185
申请日期
1943.01.05
申请人
PAUL FREEDMAN;CROMPTON PARKINSON LIMITED
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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