Electromechanical torsional band pass wave filter,申请号US19580756181-传众专利搜索

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发明名称	Electromechanical torsional band pass wave filter
摘要
申请公布号	US2955267(A)	申请公布日期	1960.10.04
申请号	US19580756181	申请日期	1958.08.20
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	MASON WARREN P.
分类号	H03H9/50;H03H9/70	主分类号	H03H9/50
代理机构		代理人
主权项
地址

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