Classification of chemicals hazardous due to their physical and chemical properties. Method of determining of ability of chemicals to the oxidative self-heating
State system for ensuring the traceability of measurements. Geometrical product specifications (GPS). Filtration. Part 21. Linear profile filters. Gaussian filters
Heating boilers. Part 4. Heating boilers with forced draught burners. Special requirements for boilers with forced draught oil burners with output up to 70 kW and maximum operating pressure of 0,3 MPa. Terminology, special requirements, test methods and marking
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