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Gas-discharge sources of high-intensity optical radiation. Parameters system
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Intelligent transport systems. External hazard detection and notification systems. Basic requirements
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Thermoplastic materials for pipes and fittings for pressure applications. Classification, designation and design coefficient
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Unified system of corrosion and ageing protection. Electrochemical protection. Protection of well cases
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Hexagon nuts with thread diameter over 48 mm. Product grade B. Specifications
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