Blast furnace cooling plate,申请号US19400349260-传众专利搜索

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发明名称	Blast furnace cooling plate
摘要
申请公布号	US2311819(A)	申请公布日期	1943.02.23
申请号	US19400349260	申请日期	1940.08.01
申请人	DOBSCHA HERMAN F	发明人	DOBSCHA HERMAN F.
分类号	C21B7/10	主分类号	C21B7/10
代理机构		代理人
主权项
地址

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