Procédé de préparation d'une composition de polissage par calcination d'un concentré de bastnasite,申请号FR19620912027-传众专利搜索

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发明名称	Procédé de préparation d'une composition de polissage par calcination d'un concentré de bastnasite
摘要
申请公布号	FR1338016(A)	申请公布日期	1963.09.20
申请号	FR19620912027	申请日期	1962.10.12
申请人	W. R. GRACE & CO.	发明人
分类号	C09K3/14	主分类号	C09K3/14
代理机构		代理人
主权项
地址

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