PERFEZIONAMENTO NEI TRASDUTTORI PER DISPOSITIVI AD ONDE ACUSTICHE DI SUPERFICIE,申请号IT19780049468-传众专利搜索

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发明名称	PERFEZIONAMENTO NEI TRASDUTTORI PER DISPOSITIVI AD ONDE ACUSTICHE DI SUPERFICIE
摘要
申请公布号	IT7849468(D0)	申请公布日期	1978.05.19
申请号	IT19780049468	申请日期	1978.05.19
申请人	RAYTHEON CO	发明人
分类号	H03H9/02	主分类号	H03H9/02
代理机构		代理人
主权项
地址

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