Power supply regulators involving vacuum tubes,申请号GB19430019376-传众专利搜索

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发明名称	Power supply regulators involving vacuum tubes
摘要
申请公布号	GB587155(A)	申请公布日期	1947.04.16
申请号	GB19430019376	申请日期	1943.11.19
申请人	STANDARD TELEPHONES AND CABLES LIMITED	发明人
分类号	H03F1/16;H04B1/16;H04N3/26	主分类号	H03F1/16
代理机构		代理人
主权项
地址

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