Closure for a bottom pour metallurgical ladle,申请号US19660544009-传众专利搜索

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发明名称	Closure for a bottom pour metallurgical ladle
摘要
申请公布号	US3386633(A)	申请公布日期	1968.06.04
申请号	US19660544009	申请日期	1966.04.20
申请人	JOHN NADRICH;JOHN A. ERICSON	发明人	NADRICH JOHN;ERICSON JOHN A.
分类号	B22D41/14	主分类号	B22D41/14
代理机构		代理人
主权项
地址

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