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发明名称
Insbesondere für Lichtausstrahlung dienende elektrische Entladungsröhre.
摘要
申请公布号
AT149930(B)
申请公布日期
1937.06.10
申请号
ATD149930
申请日期
1936.07.08
申请人
N. V. PHILIP'S GLOEILAMPENFABRIEKEN
发明人
分类号
主分类号
代理机构
代理人
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