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经营范围
发明名称
Improvements in and relating to voltage responsive thermionic valve circuit arrangements
摘要
申请公布号
GB577801(A)
申请公布日期
1946.05.31
申请号
GB19430006158
申请日期
1943.04.16
申请人
DAVID GWILYM ORWEL MORRIS;METROPOLITAN VICKERS ELECTRICAL COMPANY LIMITED
发明人
分类号
H03F3/36
主分类号
H03F3/36
代理机构
代理人
主权项
地址
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