NF E44-003-1*NF EN ISO 17769-1:2012 Liquid pumps and installation - General terms, definitions, quantities, letter symbols and units - Part 1 : liquid pumps
2012NF E44-003-1*NF EN ISO 17769-1:2012 Liquid pumps and installation - General terms, definitions, quantities, letter symbols and units - Part 1 : liquid pumps