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发明名称
Verfahren zur Pruefung und Messung von Elektronenroehren
摘要
申请公布号
DE810050(C)
申请公布日期
1951.08.06
申请号
DE1949P037973
申请日期
1949.03.29
申请人
FERNSEH G.M.B.H.
发明人
BAEHRING HERBERT DIPL.-ING.
分类号
G01R31/25
主分类号
G01R31/25
代理机构
代理人
主权项
地址
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