Uniform provisions concerning the certification of compression ignition and natural gas engines as well as positive-ignition engines fuelled with liquefied petroleum gas and vehicles equipped with compression ignition and natural gas engines and positive-ignition engines fuelled with liquefied petroleum gas, with regard to the emissions of pollutants
Refractory products with less than 45 % true porosity. Method for determination of compressive strength at room temperature. Part 2. Test with packings
