{"tema_id":"7053","string":"CORIND\u00d3N ARTIFICIAL, AUNQUE NO SEA DE CONSTITUCI\u00d3N QU\u00cdMICA DEFINIDA; \u00d3XIDO DE ALUMINIO; HIDR\u00d3XIDO DE ALUMINIO","created":"2019-02-11 14:06:22","code":"28.18"}