Blast furnace tuyere cooling - with liquid nitrogen,申请号DE19712119587-传众专利搜索

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发明名称	Blast furnace tuyere cooling - with liquid nitrogen
摘要	<p>Liquid N2 is pumped through the tuyeres and recycled to the cooling plant. The tuyeres are of electrolytic Cu.</p>
申请公布号	DE2119587(A1)	申请公布日期	1972.11.02
申请号	DE19712119587	申请日期	1971.04.22
申请人		发明人
分类号	C21B7/16	主分类号	C21B7/16
代理机构		代理人
主权项
地址

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