Improvements in or relating to a device for the emission of sound waves,申请号GB19640028218-传众专利搜索

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发明名称	Improvements in or relating to a device for the emission of sound waves
摘要
申请公布号	GB1076222(A)	申请公布日期	1967.07.19
申请号	GB19640028218	申请日期	1964.07.08
申请人	INSTITUT FRANCAIS DU PETROLE DES CARBURANTS ET LUBRIFIANTS	发明人	CASSAND JEAN;SOETE GERARD DE;CHOLET JACQUES
分类号	G01V1/116	主分类号	G01V1/116
代理机构		代理人
主权项
地址

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