Lance pipe for the injected oxygen in steel making,申请号US19630293393-传众专利搜索

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发明名称	Lance pipe for the injected oxygen in steel making
摘要
申请公布号	US3292662(A)	申请公布日期	1966.12.20
申请号	US19630293393	申请日期	1963.07.08
申请人	SUNAO NISHI	发明人	NISHI SUNAO
分类号	C21C5/46	主分类号	C21C5/46
代理机构		代理人
主权项
地址

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