Perfectionnements aux montages de générateurs d'oscillations à couplage rétroactif,申请号FRD709774-传众专利搜索

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发明名称	Perfectionnements aux montages de générateurs d'oscillations à couplage rétroactif
摘要
申请公布号	FR709774(A)	申请公布日期	1931.08.13
申请号	FRD709774	申请日期	1931.01.12
申请人	TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE	发明人
分类号	H03B21/02	主分类号	H03B21/02
代理机构		代理人
主权项
地址

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