Improvements in or relating to delay lines,申请号GB19550020790-传众专利搜索

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发明名称	Improvements in or relating to delay lines
摘要
申请公布号	GB780107(A)	申请公布日期	1957.07.31
申请号	GB19550020790	申请日期	1955.07.18
申请人	COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL	发明人
分类号	H01J23/00;H01J23/27	主分类号	H01J23/00
代理机构		代理人
主权项
地址

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