Improvements in or relating to negative resistance devices,申请号GB19600007948-传众专利搜索

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发明名称	Improvements in or relating to negative resistance devices
摘要
申请公布号	GB889576(A)	申请公布日期	1962.02.21
申请号	GB19600007948	申请日期	1960.03.07
申请人	COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL	发明人
分类号	H03B15/00	主分类号	H03B15/00
代理机构		代理人
主权项
地址

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