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
Electric and optical fibre cables. Test methods for non-metallic materials. Part 607. Physical tests. Test for the assessment of carbon black dispersion in polyethylene and polypropylene
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