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ČSN EN ISO 14001:2005 ČSN EN ISO 3834-2:2006 ČSN EN ISO 9001:2009 CSN OHSAS 18001:2008 EN 1090-1:2009  
ELTE, s.r.o. , Za Válcovnou 465/49 , 400 01 Ústí nad Labem - IČ: 46708111 - DIČ: CZ46708111