Improvements relating to casting metals,申请号GB19530019019-传众专利搜索

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发明名称	Improvements relating to casting metals
摘要
申请公布号	GB726490(A)	申请公布日期	1955.03.16
申请号	GB19530019019	申请日期	1953.07.09
申请人	GENERAL MOTORS CORPORATION	发明人
分类号	B22D21/00	主分类号	B22D21/00
代理机构		代理人
主权项
地址

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