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发明名称
HOCHVAKUUMDIODE FUER HOHE SPANNUNGEN MIT EINEM GLASKOLBEN, EINER ZYLINDRISCHEN ANODE UND EINER OXYDKATHODE.
摘要
申请公布号
DE1723625(U)
申请公布日期
1956.06.07
申请号
DE195400N4595U
申请日期
1954.08.27
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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