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发明名称
Elektrische Entladungsröhre.
摘要
申请公布号
CH208243(A)
申请公布日期
1940.01.15
申请号
CHD208243
申请日期
1938.08.08
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
GLOEILAMPENFABRIEKEN N. V. PHILIPS'
分类号
H01J1/32;H01J9/12
主分类号
H01J1/32
代理机构
代理人
主权项
地址
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