Perfectionnement à la fabrication des ferro-silicium,申请号FRD995655-传众专利搜索

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发明名称	Perfectionnement à la fabrication des ferro-silicium
摘要
申请公布号	FR995655(A)	申请公布日期	1951.12.05
申请号	FRD995655	申请日期	1949.07.28
申请人		发明人	VOLIANIK NICOLAS
分类号		主分类号
代理机构		代理人
主权项
地址

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