Improvements in high power generators of sound and ultra-sound waves,申请号GB19520017240-传众专利搜索

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发明名称	Improvements in high power generators of sound and ultra-sound waves
摘要
申请公布号	GB737467(A)	申请公布日期	1955.09.28
申请号	GB19520017240	申请日期	1952.07.08
申请人	CENTRE NATIONAL DE LA RECHERCHE, SCIENTIFIQUE	发明人
分类号	G10K5/02	主分类号	G10K5/02
代理机构		代理人
主权项
地址

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