Rehausse de réchauffage à effet thermique utile élevé,申请号FR19610871586-传众专利搜索

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发明名称	Rehausse de réchauffage à effet thermique utile élevé
摘要
申请公布号	FR1298678(A)	申请公布日期	1962.07.13
申请号	FR19610871586	申请日期	1961.08.25
申请人	OGLEBAY NORTON COMPANY	发明人
分类号	B22D7/10	主分类号	B22D7/10
代理机构		代理人
主权项
地址

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