Method and apparatus for adding heat and charge material to molten metal under vacuum,申请号US19620202631-传众专利搜索

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发明名称	Method and apparatus for adding heat and charge material to molten metal under vacuum
摘要
申请公布号	US3224868(A)	申请公布日期	1965.12.21
申请号	US19620202631	申请日期	1962.06.14
申请人	JOHN MOHR AND SONS	发明人	JR. HERBERT S. PHILBRICK,
分类号	C21C7/10	主分类号	C21C7/10
代理机构		代理人
主权项
地址

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