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发明名称
Elektrische Glühlampe mit einer stickstoffhaltigen Gasfüllung.
摘要
申请公布号
CH208437(A)
申请公布日期
1940.01.31
申请号
CHD208437
申请日期
1938.10.31
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
GLOEILAMPENFABRIEKEN N. V. PHILIPS'
分类号
H01K1/56
主分类号
H01K1/56
代理机构
代理人
主权项
地址
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