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发明名称
Dampfgefuellte elektrische Entladungsroehre, die aus vier parallelen Roehrenteilen besteht und mit einem Sockel versehen ist
摘要
申请公布号
DE642389(C)
申请公布日期
1937.03.03
申请号
DE1935N037964D
申请日期
1935.03.28
申请人
PHILIPS PATENTVERWALTUNG G.M.B.H.
发明人
UYTERHOEVEN WILLEM;VERBURG CORNELIS;SCHOUWSTRA PIETER;MUTSAERS JOHANNES PETRUS MARIA
分类号
H01J5/58;H01J61/54
主分类号
H01J5/58
代理机构
代理人
主权项
地址
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