A PROCESS FOR PRODUCING HIGH PURITY SILICA,申请号GB19880021722-传众专利搜索

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发明名称	A PROCESS FOR PRODUCING HIGH PURITY SILICA
摘要
申请公布号	GB2222823(B)	申请公布日期	1992.04.08
申请号	GB19880021722	申请日期	1988.09.16
申请人	* KAWATETSU MINING COMPANY LTD	发明人	AKIRA * SEKI;YUUKI * NARITA;SHUNRO * NAGATA
分类号	C01B33/193;(IPC1-7):C01B33/143	主分类号	C01B33/193
代理机构		代理人
主权项
地址

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