Mounting for piezoelectric elements,申请号US19350057000-传众专利搜索

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发明名称	Mounting for piezoelectric elements
摘要
申请公布号	US2078229(A)	申请公布日期	1937.04.27
申请号	US19350057000	申请日期	1935.12.31
申请人	RADIO CORPORATION OF AMERICA	发明人	BOKOVOY SAMUEL A.;GERBER PAUL D.
分类号	H03H9/05	主分类号	H03H9/05
代理机构		代理人
主权项
地址

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