Annular electrostrictive transducer,申请号US19590843314-传众专利搜索

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发明名称	Annular electrostrictive transducer
摘要
申请公布号	US3166730(A)	申请公布日期	1965.01.19
申请号	US19590843314	申请日期	1959.09.29
申请人	BROWN JR JAMES R;WALLACE JOHN D	发明人	JR. JAMES R. BROWN,;WALLACE JOHN D.
分类号	B06B1/06	主分类号	B06B1/06
代理机构		代理人
主权项
地址

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