Improved manufacture of foundry moulds,申请号GB19300017050-传众专利搜索

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发明名称	Improved manufacture of foundry moulds
摘要
申请公布号	GB356245(A)	申请公布日期	1931.09.02
申请号	GB19300017050	申请日期	1930.06.02
申请人	JEAN BAPTISTE DURAND	发明人
分类号	B22C3/00;B22C23/02	主分类号	B22C3/00
代理机构		代理人
主权项
地址

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