Ladder-type piezoelectric filter,申请号US19800109283-传众专利搜索

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发明名称	Ladder-type piezoelectric filter
摘要
申请公布号	US4323865(A)	申请公布日期	1982.04.06
申请号	US19800109283	申请日期	1980.01.03
申请人		发明人
分类号	H03H9/02;H03H9/10;H03H9/17;H03H9/58;H03H9/60;(IPC1-7):H03H9/54;H03H9/52	主分类号	H03H9/02
代理机构		代理人
主权项
地址

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