Préparation d'oxyde de nickel pur,申请号FRD1012946-传众专利搜索

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发明名称	Préparation d'oxyde de nickel pur
摘要
申请公布号	FR1012946(A)	申请公布日期	1952.07.21
申请号	FRD1012946	申请日期	1950.02.16
申请人	LIGNES TELEGRAPHIQUES ET TELEPHONIQUES	发明人
分类号	C01G53/04;H01F1/03	主分类号	C01G53/04
代理机构		代理人
主权项
地址

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