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发明名称
Improvements relating to metal vapour electric discharge lamps
摘要
申请公布号
GB529123(A)
申请公布日期
1940.11.14
申请号
GB19390015194
申请日期
1939.05.22
申请人
SIEMENS ELECTRIC LAMPS AND SUPPLIES LIMITED;JOHN NORMAN ALDINGTON
发明人
分类号
H05B41/06
主分类号
H05B41/06
代理机构
代理人
主权项
地址
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