Erasing head for magnetic recorders,申请号US19490100675-传众专利搜索

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发明名称	Erasing head for magnetic recorders
摘要
申请公布号	US2550753(A)	申请公布日期	1951.05.01
申请号	US19490100675	申请日期	1949.06.22
申请人	RADIO CORPORATION OF AMERICA	发明人	ANDREWS DALLAS R.
分类号	G11B5/03	主分类号	G11B5/03
代理机构		代理人
主权项
地址

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