Perfectionnements aux postes émetteurs et récepteurs de t. s. f. à ondes très courtes,申请号FRD832930-传众专利搜索

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发明名称	Perfectionnements aux postes émetteurs et récepteurs de t. s. f. à ondes très courtes
摘要
申请公布号	FR832930(A)	申请公布日期	1938.10.06
申请号	FRD832930	申请日期	1937.05.28
申请人	RADIO-AIR	发明人
分类号	H04B1/40	主分类号	H04B1/40
代理机构		代理人
主权项
地址

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