40.97 End of interruption of work - split/merged Dec 9, 2014
CEN
CEN/TC 408 Natural gas and biomethane for use in transport and biomethane for injection in the natural gas grid
European Norm
27.190 Biological sources and alternative sources of energy
This standard specifies the requirements and test methods for biomethane at the point of entry into natural gas networks.
ABANDON
prEN 16723-1
40.97
End of interruption of work - split/merged
Dec 9, 2014