Improvements in or relating to mountings for piezo-electric crystals,申请号GB19480005849-传众专利搜索

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发明名称	Improvements in or relating to mountings for piezo-electric crystals
摘要
申请公布号	GB647431(A)	申请公布日期	1950.12.13
申请号	GB19480005849	申请日期	1948.02.26
申请人	ARTHUR WILLIAM BIRT;JACK WILSON RICHARDSON;PIEZO CRYSTALS LIMITED	发明人
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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