Piezoelectric electromechanical transducer,申请号US19590825361-传众专利搜索

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发明名称	Piezoelectric electromechanical transducer
摘要
申请公布号	US3093710(A)	申请公布日期	1963.06.11
申请号	US19590825361	申请日期	1959.07.06
申请人	GULTON INDUSTRIES, INC.	发明人	EYCK ROBERT R. TEN
分类号	H04R17/00	主分类号	H04R17/00
代理机构		代理人
主权项
地址

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