This standard sets the general conditions applicable to new indoor installations or new parts of indoor installations for the use of combustible gas lighter than air, dis ributed by pipes. This standard is applicable without prejudice to exis ing legal provis ons in this area.
NBN D 51-003-1993 history
1997NBN D 51-003-1997 Facilities using gas fuel. Gases are fuels that are lighter than air and are transported through pipes
1993NBN D 51-003-1993 Facilities using gas fuel. Gases are fuels that are lighter than air and are transported through pipes
1992NBN D 51-003-1977 Facilities using gas fuel. Gases are fuels that are lighter than air and are transported through pipes