Support pour cristaux résonnants,申请号FRD836627-传众专利搜索

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发明名称	Support pour cristaux résonnants
摘要
申请公布号	FR836627(A)	申请公布日期	1939.01.23
申请号	FRD836627	申请日期	1938.04.14
申请人	LIGNES TELEGRAPHIQUES ET TELEPHONIQUES	发明人
分类号	H03H9/09	主分类号	H03H9/09
代理机构		代理人
主权项
地址

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