Electro-acoustic transducers,申请号GB19890009407-传众专利搜索

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发明名称	Electro-acoustic transducers
摘要
申请公布号	GB2247593(A)	申请公布日期	1992.03.04
申请号	GB19890009407	申请日期	1989.04.25
申请人	* ETAT FRANCAIS REPRESENTED BY THE GENERAL DELEGATE FOR ARMEMENTS	发明人	DIDIER * BOUCHER;YVES * RIPOLI
分类号	B06B1/06;G10K11/20	主分类号	B06B1/06
代理机构		代理人
主权项
地址

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