Improvements relating to the Production of Hollow Core and Shell Casting Moulds,申请号GB19680037483-传众专利搜索

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发明名称	Improvements relating to the Production of Hollow Core and Shell Casting Moulds
摘要
申请公布号	GB1177741(A)	申请公布日期	1970.01.14
申请号	GB19680037483	申请日期	1968.08.06
申请人	CRONING & CO.	发明人
分类号	B22C15/24;B22C23/00	主分类号	B22C15/24
代理机构		代理人
主权项
地址

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