Improvements in and relating to the manufacture of abrasive discs,申请号GB19480032294-传众专利搜索

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发明名称	Improvements in and relating to the manufacture of abrasive discs
摘要
申请公布号	GB686303(A)	申请公布日期	1953.01.21
申请号	GB19480032294	申请日期	1948.12.14
申请人	HARRY ARTHUR SIMPSON	发明人
分类号	B24D11/00	主分类号	B24D11/00
代理机构		代理人
主权项
地址

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