Torsional vibrational wave filters and delay lines,申请号US19560564682-传众专利搜索

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发明名称	Torsional vibrational wave filters and delay lines
摘要
申请公布号	US2906971(A)	申请公布日期	1959.09.29
申请号	US19560564682	申请日期	1956.02.10
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	MASON WARREN P.;THURSTON ROBERT N.
分类号	H03H9/30;H03H9/36;H03H9/46;H03H9/54	主分类号	H03H9/30
代理机构		代理人
主权项
地址

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