Perfectionnements aux systèmes d'amplificateurs équilibrés,申请号FRD945114-传众专利搜索

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发明名称	Perfectionnements aux systèmes d'amplificateurs équilibrés
摘要
申请公布号	FR945114(A)	申请公布日期	1949.04.26
申请号	FRD945114	申请日期	1947.04.16
申请人	COMPAGNIE FRANCAISE THOMSON-HOUSTON	发明人
分类号	H03H7/42	主分类号	H03H7/42
代理机构		代理人
主权项
地址

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