Procédé de purification du germanium,申请号FRD1062889-传众专利搜索

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发明名称	Procédé de purification du germanium
摘要
申请公布号	FR1062889(A)	申请公布日期	1954.04.28
申请号	FRD1062889	申请日期	1952.09.11
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	A61C1/14;A61C3/06;C22B41/00;H01L21/00	主分类号	A61C1/14
代理机构		代理人
主权项
地址

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