Reel engageable device for retaining a metallic tape in tightly wound position therein and for covering the otherwise exposed surface thereof,申请号US19550501016-传众专利搜索

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发明名称	Reel engageable device for retaining a metallic tape in tightly wound position therein and for covering the otherwise exposed surface thereof
摘要
申请公布号	US2768740(A)	申请公布日期	1956.10.30
申请号	US19550501016	申请日期	1955.04.13
申请人	CRANWILL JAMES N	发明人	CRANWILL JAMES N.
分类号	G11B15/67;G11B23/037	主分类号	G11B15/67
代理机构		代理人
主权项
地址

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