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Unified system for design documentation. Digital product definition. General principles
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Low-voltage switchgear and controlgear. Part 9-1. Active arc-fault mitigation systems. Arc quenching devices
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Periodic pentastep sections produced by cross-helical rolling for electric motor shafts. Dimensions
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Foodstuffs. Determination of trace elements. Determination of mercury by cold-vapour atomic absorption spectrometry (CVAAS) after pressure digestion
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The nature conservancy. Hydrosphere. Water quality. Rules for setting the frequency of control
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