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发明名称
Improvements in devices comprising high-pressure metal-vapour discharge tubes
摘要
申请公布号
GB487469(A)
申请公布日期
1938.06.21
申请号
GB19370024224
申请日期
1937.09.04
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H05B41/232
主分类号
H05B41/232
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