CEN/TC 155
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 31483 | LVS EN 1555-2:2011 A | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 2: Pipes | Atcelts |
| 62507 | LVS EN 1555-2:2021 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 2: Pipes | Standarts spēkā |
| 5996 | LVS EN 1555-3:2003 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 3: Fittings | Atcelts |
| 24015 | LVS EN 1555-3:2003 /A1:2005 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 3: Fittings | Atcelts |
| 31484 | LVS EN 1555-3:2011 A | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 3: Fittings | Atcelts |
| 62506 | LVS EN 1555-3:2021 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 3: Fittings | Standarts spēkā |
| 39106 | LVS EN 1555-3+A1:2013 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 3: Fittings | Atcelts |
| 5997 | LVS EN 1555-4:2003 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 4: Valves | Atcelts |
| 31486 | LVS EN 1555-4:2011 A | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 4: Valves | Atcelts |
| 62512 | LVS EN 1555-4:2021 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 4: Valves | Standarts spēkā |
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