Improvements in or relating to method of making a split metal sleeve and the resulting product,申请号GB19550023937-传众专利搜索

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发明名称	Improvements in or relating to method of making a split metal sleeve and the resulting product
摘要
申请公布号	GB786114(A)	申请公布日期	1957.11.13
申请号	GB19550023937	申请日期	1955.08.19
申请人	BETTIS RUBBER COMPANY	发明人	COLLETT CHARLES H.
分类号	B21D53/00;E21B17/10	主分类号	B21D53/00
代理机构		代理人
主权项
地址

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