Improvements in and relating to the treatment of castings and other metal parts to render them non-porous,申请号GB19450012849-传众专利搜索

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发明名称	Improvements in and relating to the treatment of castings and other metal parts to render them non-porous
摘要
申请公布号	GB594832(A)	申请公布日期	1947.11.20
申请号	GB19450012849	申请日期	1945.05.23
申请人	ALFRED SYMMONS;NORMAN ERNEST FREDERICK HITCHCOCK	发明人
分类号	B22D31/00	主分类号	B22D31/00
代理机构		代理人
主权项
地址

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