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发明名称
Kathode fuer Entladungsroehren und Verfahren zu deren Herstellung
摘要
申请公布号
DE883936(C)
申请公布日期
1953.07.23
申请号
DE1951E004755
申请日期
1951.12.12
申请人
EGYESUELT IZZOLAMPA ES VILLAMOSSAGI RESZVENYTARSASAG
发明人
SZEKELY MIHALY DIPL.-ING.
分类号
H01J1/28
主分类号
H01J1/28
代理机构
代理人
主权项
地址
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