Improvements in or relating to means for checking the degree of amplification of amplifiers,申请号GB19290034159-传众专利搜索

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发明名称	Improvements in or relating to means for checking the degree of amplification of amplifiers
摘要
申请公布号	GB348622(A)	申请公布日期	1931.05.05
申请号	GB19290034159	申请日期	1929.11.08
申请人	TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M.B.H.	发明人
分类号	G01R29/08;H04B1/60	主分类号	G01R29/08
代理机构		代理人
主权项
地址

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