DOUBLEUR DE FREQUENCE,申请号BE19760173031-传众专利搜索

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发明名称	DOUBLEUR DE FREQUENCE
摘要
申请公布号	BE849140(A1)	申请公布日期	1977.04.01
申请号	BE19760173031	申请日期	1976.12.07
申请人		发明人
分类号	H03K6/00;H03B19/14;H03K4/00;H03K5/00;H03K5/156;H04N;(IPC1-7):H04N/	主分类号	H03K6/00
代理机构		代理人
主权项
地址

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