Procédé pour la préparation d'un gel de silice à grand volume,申请号FRD900140-传众专利搜索

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发明名称	Procédé pour la préparation d'un gel de silice à grand volume
摘要
申请公布号	FR900140(A)	申请公布日期	1945.06.20
申请号	FRD900140	申请日期	1943.11.25
申请人	SU:D-CHEMIE A. G.	发明人
分类号	C01B33/152	主分类号	C01B33/152
代理机构		代理人
主权项
地址

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