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发明名称
Rueckwaertswellenoszillatorroehre
摘要
申请公布号
DE1213060(B)
申请公布日期
1966.03.24
申请号
DE1954S038583
申请日期
1954.04.06
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
VEITH DR. WERNER
分类号
H01J25/40
主分类号
H01J25/40
代理机构
代理人
主权项
地址
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