Additive to sand moulds and cores,申请号US19650473851-传众专利搜索

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发明名称	Additive to sand moulds and cores
摘要
申请公布号	US3379540(A)	申请公布日期	1968.04.23
申请号	US19650473851	申请日期	1965.07.21
申请人	FOSECO INTERNATIONAL LIMITED	发明人	HELLIWELL DEREK PRIESTLEY
分类号	B22C1/02;B22C1/04	主分类号	B22C1/02
代理机构		代理人
主权项
地址

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