Multiple magnetic head mount,申请号US19480067891-传众专利搜索

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发明名称	Multiple magnetic head mount
摘要
申请公布号	US2530584(A)	申请公布日期	1950.11.21
申请号	US19480067891	申请日期	1948.12.29
申请人	RADIO CORPORATION OF AMERICA	发明人	PONTIUS FRANK E.
分类号	G11B5/48	主分类号	G11B5/48
代理机构		代理人
主权项
地址

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