VARIABLE FREQUENCY ACTIVE FILTER,申请号JP19880023986-传众专利搜索

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发明名称	VARIABLE FREQUENCY ACTIVE FILTER
摘要
申请公布号	JPH01200814(A)	申请公布日期	1989.08.14
申请号	JP19880023986	申请日期	1988.02.05
申请人	NIPPON TELEGR & TELEPH CORP <NTT>	发明人	IMAI NOBUAKI
分类号	H03H11/12;H01P7/10;H03H11/04	主分类号	H03H11/12
代理机构		代理人
主权项
地址

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