An improved silica gel for use in building materials,申请号GB19440017074-传众专利搜索

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发明名称	An improved silica gel for use in building materials
摘要
申请公布号	GB590902(A)	申请公布日期	1947.07.31
申请号	GB19440017074	申请日期	1944.09.06
申请人	WALTER RUDD POWERS;RICHARD SWARBRICK	发明人
分类号	C01B33/154;C04B12/04;C04B28/26	主分类号	C01B33/154
代理机构		代理人
主权项
地址

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