?éthode pour la préparation de métaux à l'état finement divisé,申请号FRD679699-传众专利搜索

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发明名称	?éthode pour la préparation de métaux à l'état finement divisé
摘要
申请公布号	FR679699(A)	申请公布日期	1930.04.16
申请号	FRD679699	申请日期	1929.08.02
申请人	I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT	发明人
分类号	B22F9/28	主分类号	B22F9/28
代理机构		代理人
主权项
地址

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