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发明名称
Hochvakuumentladungsröhre.
摘要
申请公布号
CH301208(A)
申请公布日期
1954.08.31
申请号
CHD301208
申请日期
1951.12.03
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
GLOEILAMPENFABRIEKEN N. V. PHILIPS'
分类号
H01J19/42
主分类号
H01J19/42
代理机构
代理人
主权项
地址
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