CEN/TC 57
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 1536 | EN 303-1:1992 | Heating boilers - Heating boilers with forced draught burners - Part 1: Terminology, general requirements, testing and marking | Atcelts |
| 1536 | LVS EN 303-1:1992 | Heating boilers - Heating boilers with forced draught burners - Part 1: Terminology, general requirements, testing and marking | Atcelts |
| 1537 | EN 304:1992 | Heating boilers - Test code for heating boilers for atomizing oil burners | Atcelts |
| 1537 | LVS EN 304:1992 | Heating boilers - Test code for heating boilers for atomizing oil burners | |
| 1538 | EN 303-5:1999 | Heating boilers - Part 5: Heating boilers for solid fuels, hand and automatically stocked, nominal heat output of up to 300 kw - Terminology, requirements, testing and marking | Atcelts |
| 1538 | LVS EN 303-5:2001 | Heating boilers - Part 5: Heating boilers for solid fuels, hand and automatically stocked, nominal heat output of up to 300 kW - Terminology, requirements, testing and marking | Atcelts |
| 1539 | EN 303-2:1992 | Heating boilers - Heating boilers with forced draught burners - Part 2: Special requirements for boilers with atomizing oil burners | Atcelts |
| 1539 | LVS EN 303-2:1992 | Heating boilers - Heating boilers with forced draught burners - Part 2: Special requirements for boilers with atomizing oil burners | Atcelts |
| 1541 | EN 303-4:1999 | Heating boilers - Part 4: Heating boilers with forced draught burners - Special requirements for boilers with forced draught oil burners with outputs up to 70 kW and a maximum operating pressure of 3 bar - Terminology, special requirements, testing and marking | Izstrādē |
| 1541 | LVS EN 303-4:2000 | Heating boilers - Part 4: Heating boilers with forced drought burners - Special requirements for boilers with forced draught oil burners with outputs up to 70 kW and maximum operating pressure of 3 bar - Terminology, special requirements, testing and | Standarts spēkā |
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