Arrangements for changing over to spare amplifiers or oscillators,申请号GB19390030038-传众专利搜索

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发明名称	Arrangements for changing over to spare amplifiers or oscillators
摘要
申请公布号	GB536454(A)	申请公布日期	1941.05.15
申请号	GB19390030038	申请日期	1939.11.14
申请人	STANDARD TELEPHONES AND CABLES LIMITED;BENT BUELOW JACOBSEN;ROBERT ALLEN MARTIN	发明人
分类号	H03F1/54	主分类号	H03F1/54
代理机构		代理人
主权项
地址

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