Improvements in or relating to assemblies for producing ultrasonic waves,申请号GB19510030031-传众专利搜索

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发明名称	Improvements in or relating to assemblies for producing ultrasonic waves
摘要
申请公布号	GB738376(A)	申请公布日期	1955.10.12
申请号	GB19510030031	申请日期	1951.12.21
申请人	GLASS DEVELOPMENTS LIMITED;DONALD ORR SPROULE	发明人
分类号	G01N29/28	主分类号	G01N29/28
代理机构		代理人
主权项
地址

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