Applying gas to molten metal,申请号GB19890029114-传众专利搜索

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发明名称	Applying gas to molten metal
摘要
申请公布号	GB2230848(A)	申请公布日期	1990.10.31
申请号	GB19890029114	申请日期	1989.12.22
申请人	* INSUL COMPANY INC	发明人	JOSEPH A * PERRI
分类号	C21C5/46;F27D3/16	主分类号	C21C5/46
代理机构		代理人
主权项
地址

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