PROCEDE POUR LA PREPARATION DE DIOXYDE DE SILICIUM FINEMENT DIVISE A GRANDE SURFACE,申请号BE19720783326-传众专利搜索

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发明名称	PROCEDE POUR LA PREPARATION DE DIOXYDE DE SILICIUM FINEMENT DIVISE A GRANDE SURFACE
摘要
申请公布号	BE783326(A1)	申请公布日期	1972.09.01
申请号	BE19720783326	申请日期	1972.05.10
申请人	DEUTSCHE GOLD-UND SILBER-SCHEIDEANSTALT VORMALS ROESSLER, 9, WEISSFRAUENSTRASSE, 6000 FRANKFURT/MAIN 1, (ALLEMAGNE),	发明人
分类号	C01B33/18;(IPC1-7):C01B/	主分类号	C01B33/18
代理机构		代理人
主权项
地址

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