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发明名称
Improvements in electric discharge tubes
摘要
申请公布号
GB400764(A)
申请公布日期
1933.11.02
申请号
GB19320026164
申请日期
1932.09.20
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H05B41/232
主分类号
H05B41/232
代理机构
代理人
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地址
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