Electromagnetic pinch roller actuator,申请号US19620168621-传众专利搜索

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发明名称	Electromagnetic pinch roller actuator
摘要
申请公布号	US3143690(A)	申请公布日期	1964.08.04
申请号	US19620168621	申请日期	1962.01.25
申请人	AMPEX CORPORATION	发明人	YOUNG ARTHUR E.
分类号	G11B15/10;G11B15/22;G11B15/29;H01F7/04;H01F7/14	主分类号	G11B15/10
代理机构		代理人
主权项
地址

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