Improvements in and relating to the melting and casting of metals,申请号GB19390023794-传众专利搜索

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发明名称	Improvements in and relating to the melting and casting of metals
摘要
申请公布号	GB532898(A)	申请公布日期	1941.02.03
申请号	GB19390023794	申请日期	1939.08.18
申请人	ERIC CRISP LEWIS	发明人
分类号	B22D21/02	主分类号	B22D21/02
代理机构		代理人
主权项
地址

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