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发明名称
Elektronenroehre mit keramischen und dazwischenliegenden metallenen Ringen
摘要
申请公布号
DE1081154(B)
申请公布日期
1960.05.05
申请号
DE1957E014379
申请日期
1957.07.08
申请人
EITEL-MCCULLOUGH INC.
发明人
STANGL MORRAINE ELDEN
分类号
H01J21/36
主分类号
H01J21/36
代理机构
代理人
主权项
地址
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