Art of mounting piezoelectric elements,申请号US19410400610-传众专利搜索

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发明名称	Art of mounting piezoelectric elements
摘要
申请公布号	US2301269(A)	申请公布日期	1942.11.10
申请号	US19410400610	申请日期	1941.07.01
申请人	RADIO CORPORATION	发明人	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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