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经营范围
发明名称
Dispositif équipé d'un tube à rayons électroniques.
摘要
申请公布号
CH248982(A)
申请公布日期
1947.05.31
申请号
CHD248982
申请日期
1946.02.06
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
GLOEILAMPENFABRIEKEN N. V. PHILIPS'
分类号
H04N5/74
主分类号
H04N5/74
代理机构
代理人
主权项
地址
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