Single crystal quartz filter elements, oscillators and transducers,申请号US19620223730-传众专利搜索

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发明名称	Single crystal quartz filter elements, oscillators and transducers
摘要
申请公布号	US3143672(A)	申请公布日期	1964.08.04
申请号	US19620223730	申请日期	1962.09.14
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	MASON WARREN P.
分类号	H03H9/19	主分类号	H03H9/19
代理机构		代理人
主权项
地址

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