VIDEO TAPE RECORDER HEAD ULTRASONICALLY VIBRATED TRANSVERSE TO A TRACK TRACED BY THE HEAD,申请号US19910682326-传众专利搜索

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发明名称	VIDEO TAPE RECORDER HEAD ULTRASONICALLY VIBRATED TRANSVERSE TO A TRACK TRACED BY THE HEAD
摘要
申请公布号	US5159510(A)	申请公布日期	1992.10.27
申请号	US19910682326	申请日期	1991.04.09
申请人	SONY CORPORATION	发明人	SAITO, ETSURO
分类号	G11B5/41;G11B5/53	主分类号	G11B5/41
代理机构		代理人
主权项
地址

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