METHOD OF PREPARING HIGH-PURITY AQUEOUS SILICA SOL,申请号EP19930101512-传众专利搜索

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发明名称	METHOD OF PREPARING HIGH-PURITY AQUEOUS SILICA SOL
摘要
申请公布号	EP0557740(A3)	申请公布日期	1993.11.18
申请号	EP19930101512	申请日期	1993.02.01
申请人	NISSAN CHEMICAL INDUSTRIES LTD.	发明人	WATANABE, YOSHITANE;ANDO, MIKIO;YOGO, ISAO
分类号	C01B33/143;C01B33/148;(IPC1-7):C01B33/148	主分类号	C01B33/143
代理机构		代理人
主权项
地址

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