A process of producing humous colloids,申请号GB19290015352-传众专利搜索

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发明名称	A process of producing humous colloids
摘要
申请公布号	GB312233(A)	申请公布日期	1930.05.01
申请号	GB19290015352	申请日期	1929.05.16
申请人	RUDOLF EBERHARD	发明人
分类号	B01J13/00	主分类号	B01J13/00
代理机构		代理人
主权项
地址

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