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Petroleum and natural gas industries. Design and operation of subsea production systems. Part 14. Subsea high integrity pressure protection system
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Civil defense. Engineering and technical equipment of civil defense protective structures. Prefilters of ventilation systems. General technical requirements. Test methods
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Arc welding equipment. Part 3. Arc striking and stabilizing devices
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Air conditioners, liquid chilling packages, heat pumps, process chillers and dehumidifiers with electrically driven compressors. Determination of the sound power level. Part 1. Air conditioners, liquid chilling packages, heat pumps for space heating and cooling, dehumidifiers and process chillers
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