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发明名称
Verfahren zur Einschmelzung eines Wolframgegenstandes in Glas und nach diesem Verfahren erhaltener Wolframgegenstand.
摘要
申请公布号
CH214493(A)
申请公布日期
1941.04.30
申请号
CHD214493
申请日期
1939.07.12
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
GLOEILAMPENFABRIEKEN N. V. PHILIPS'
分类号
C03C27/02;H01J5/26
主分类号
C03C27/02
代理机构
代理人
主权项
地址
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