Improvements in and relating to ultrasonic oscillators and vibratory tools,申请号GB19520002623-传众专利搜索

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发明名称	Improvements in and relating to ultrasonic oscillators and vibratory tools
摘要
申请公布号	GB758631(A)	申请公布日期	1956.10.10
申请号	GB19520002623	申请日期	1952.01.31
申请人	NATIONAL RESEARCH DEVELOPMENT CORPORATION	发明人	BRADFIELD GEOFFREY
分类号	B06B1/06	主分类号	B06B1/06
代理机构		代理人
主权项
地址

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