UNE-EN ISO 17769-1:2012 Liquid pumps and installation - General terms, definitions, quantities, letter symbols and units - Part 1: Liquid pumps (ISO 17769-1:2012) (Endorsed by AENOR in October of 2012.)
2012UNE-EN ISO 17769-1:2012 Liquid pumps and installation - General terms, definitions, quantities, letter symbols and units - Part 1: Liquid pumps (ISO 17769-1:2012) (Endorsed by AENOR in October of 2012.)