Epuration et blanchiment de terres, argiles, kaolins, quartz, silices feldspaths, bauxites, alumine, sulfate et carbonate, de baryte, de chaux, de strontiane, de sels minéraux ou organiques,申请号FRD38080-传众专利搜索

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发明名称	Epuration et blanchiment de terres, argiles, kaolins, quartz, silices feldspaths, bauxites, alumine, sulfate et carbonate, de baryte, de chaux, de strontiane, de sels minéraux ou organiques
摘要
申请公布号	FR38080(E)	申请公布日期	1931.03.19
申请号	FRD38080	申请日期	1930.01.13
申请人		发明人	PERDU RENE
分类号	C01F11/32	主分类号	C01F11/32
代理机构		代理人
主权项
地址

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