Multi-valve high frequency oscillators,申请号GB19390001328-传众专利搜索

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发明名称	Multi-valve high frequency oscillators
摘要
申请公布号	GB523764(A)	申请公布日期	1940.07.22
申请号	GB19390001328	申请日期	1939.01.14
申请人	STANDARD TELEPHONES AND CABLES LIMITED;JOHN FOSTER	发明人
分类号	H03B5/18	主分类号	H03B5/18
代理机构		代理人
主权项
地址

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