Mounting arrangement for piezoelectric crystals,申请号US19370148462-传众专利搜索

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发明名称	Mounting arrangement for piezoelectric crystals
摘要
申请公布号	US2150328(A)	申请公布日期	1939.03.14
申请号	US19370148462	申请日期	1937.06.16
申请人	RADIO CORPORATION	发明人	KEALL OSWOLD EDWARD;SMITH ERIC OWEN
分类号	H03H9/09	主分类号	H03H9/09
代理机构		代理人
主权项
地址

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