NF E37-211-2:2008 Reciprocating internal combustion engines - Exhaust emission measurement - Part 2 : measurement of gaseous and particulate exhaust emissions under field conditions.
2008NF E37-211-2:2008 Reciprocating internal combustion engines - Exhaust emission measurement - Part 2 : measurement of gaseous and particulate exhaust emissions under field conditions.
1996NF E37-211-2:1996 Reciprocating internal combustion engines. Exhaust emission measurement. Part 2 : measurement of gaseous and particulate exhaust emissions at site.