A Crystal Band-pass Filter,申请号GB19810000821-传众专利搜索

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发明名称	A Crystal Band-pass Filter
摘要
申请公布号	GB2071453(A)	申请公布日期	1981.09.16
申请号	GB19810000821	申请日期	1981.01.12
申请人	WANDEL & GOLTERMANN GMBH & CO	发明人
分类号	H03H9/00;H03H9/54;(IPC1-7):H03H7/01	主分类号	H03H9/00
代理机构		代理人
主权项
地址

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