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Chimneys. System chimneys with ceramic flue liners. Part 2. Requirements and test methods under wet conditions
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Equipment for monitoring fuel element ruptures in nuclear reactors of nuclear power stations. General technical requirements and test methods
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Essential oil floral and herbal raw material. Methods of sampling, moisture and impurities determination
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Welding of pipes with tube grids of heat exchangers made of alloys of grades PT-7M and PT-3V. Typical technological process
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