Improvements relating to means for establishing and maintaining a finely-finished surface on the metal flanged ends of bobbins, spools, and the like,申请号GB19480012086-传众专利搜索

发明名称	Improvements relating to means for establishing and maintaining a finely-finished surface on the metal flanged ends of bobbins, spools, and the like
摘要
申请公布号	GB640606(A)	申请公布日期	1950.07.26
申请号	GB19480012086	申请日期	1948.05.03
申请人	HIGH DUTY ALLOYS LIMITED;JOSEPH ROBERT STANDRING	发明人
分类号	B21D19/00	主分类号	B21D19/00
代理机构		代理人
主权项
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