Improvements relating to hot tops for ingot molds,申请号GB19310001910-传众专利搜索

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发明名称	Improvements relating to hot tops for ingot molds
摘要
申请公布号	GB371408(A)	申请公布日期	1932.04.20
申请号	GB19310001910	申请日期	1931.01.20
申请人	WALTER MILLER CHARMAN	发明人
分类号	B22D7/10	主分类号	B22D7/10
代理机构		代理人
主权项
地址

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