Compliant variable reluctance electroacoustic transducer,申请号US19660541862-传众专利搜索

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发明名称	Compliant variable reluctance electroacoustic transducer
摘要
申请公布号	US3320579(A)	申请公布日期	1967.05.16
申请号	US19660541862	申请日期	1966.04.11
申请人	ABBOTT FRANK R	发明人	ABBOTT FRANK R.
分类号	B06B1/04;G01S1/72	主分类号	B06B1/04
代理机构		代理人
主权项
地址

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