Perfectionnements aux montages antifading du type dit retardé,申请号FRD827574-传众专利搜索

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发明名称	Perfectionnements aux montages antifading du type dit retardé
摘要
申请公布号	FR827574(A)	申请公布日期	1938.04.28
申请号	FRD827574	申请日期	1937.10.06
申请人	TELEFUNKEN GESELLSCHAFT FU:R DRAHTLOSE TELEGRAPHIE M.B.H.	发明人
分类号	H03G3/20	主分类号	H03G3/20
代理机构		代理人
主权项
地址

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