METHOD OF EXTRACTING THE SURFACE NON-ACTIVE MATERIAL,申请号CS19770007850-传众专利搜索

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发明名称	METHOD OF EXTRACTING THE SURFACE NON-ACTIVE MATERIAL
摘要
申请公布号	CS207487(B2)	申请公布日期	1981.07.31
申请号	CS19770007850	申请日期	1977.11.28
申请人	SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.NL	发明人	BAKKER,PIETER M.,NL;KIND,CORNELIS E.,NL
分类号	B01D11/04;C07C67/00;C07C301/00;C07C309/02;C07C309/20;(IPC1-7):C07C139/14	主分类号	B01D11/04
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