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prEN 12110-1
Tunnel boring machines - Air locks - Part 1: requirements for air locks utilising compressed air as the pressurising or breathing medium along with requirements for oxygen breathing systems for decompression purposes
DIN EN 12693
Refrigerating systems and heat pumps - Safety and environmental requirements - Positive displacement refrigerant compressors; German and English version prEN 12693:2023
prEN 12693
Refrigerating systems and heat pumps - Safety and environmental requirements - Positive displacement refrigerant compressors
EN 30-1-1/prA1
Domestic cooking appliances burning gas - Part 1-1: Safety - General
EN 15502-2-1/FprA1
Gas-fired central heating boilers - Part 2-1: Specific standard for type C appliances and type B2, B3 and B5 appliances of a nominal heat input not exceeding 1 000 kW
prEN ISO 11135
Sterilization of health care products - Ethylene oxide - Requirements for the development, validation and routine control of a sterilization process for medical devices (ISO/DIS 11135:2024)
prEN 18110
Water quality - Method for assessment of fish damage in pumps and turbines used in pumping stations and hydropower plants
EN 15502-2-1/prA1
Gas-fired central heating boilers - Part 2-1: Specific standard for type C appliances and type B2, B3 and B5 appliances of a nominal heat input not exceeding 1 000 kW
DIN EN 15502-2-1
Gas-fired central heating boilers - Part 2-1: Specific standard for type C appliances and type B2, B3 and B5 appliances of a nominal heat input not exceeding 1 000 kW; German version EN 15502-2-1:2022+A1:2023
DIN EN 15502-1
Gas-fired heating boilers - Part 1: General requirements and tests; German version EN 15502-1:2021+A1:2023