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Flat steel flange blinds for valves, fittings and pipelines. Design, dimensions and general technical requirements

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Natural gas for commercial and domestic use. Specifications

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Low voltage systems. Cable systems. Interconnection of structured cabling system subsystems. Basic provisions

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Chill moulds. Rack core removers. Construction and dimensions

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Food common salt. Sampling and sample preparation. Determination of organoleptic properties

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Civil defense. Engineering and technical equipment of civil defense protective structures. Hermetic valves. General technical requirements. Test methods

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