Oxygen lance assembly,申请号US19640376718-传众专利搜索

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发明名称	Oxygen lance assembly
摘要
申请公布号	US3342471(A)	申请公布日期	1967.09.19
申请号	US19640376718	申请日期	1964.06.22
申请人	KAISER INDUSTRIES CORPORATION	发明人	PRESTON MARTIN
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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