SALT-FREE ACIDIC SILICA HYDROSOLS,申请号CAD867320-传众专利搜索

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发明名称	SALT-FREE ACIDIC SILICA HYDROSOLS
摘要
申请公布号	CA867320(A)	申请公布日期	1971.03.30
申请号	CAD867320	申请日期
申请人	W.R. GRACE AND CO.	发明人	HARVEY M. ROSEN;ELLSWORTH G. ACKER;MILTON E. WINYALL
分类号		主分类号
代理机构		代理人
主权项
地址

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