Surface modified silica gels,申请号US19540407147-传众专利搜索

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发明名称	Surface modified silica gels
摘要
申请公布号	US2829981(A)	申请公布日期	1958.04.08
申请号	US19540407147	申请日期	1954.01.29
申请人		发明人	SHAPIRO ISADORE
分类号	B01J13/00;B01J20/32;C01B33/113	主分类号	B01J13/00
代理机构		代理人
主权项
地址

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