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Photovoltaic modules. Evaluation of compliance with technical requirements. Part 2. Test methods
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Unified system of corrosion and ageing protection. Non-metallic materials and articles with their application. Method of microbiological resistance tests under natural and atmospheric conditions
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Refrigerating equipment. Steel apparatus. Welded joints. Technical requirements and checking methods
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Fuel cell technologies. Fuel cell power systems for electrically powered industrial trucks. Safety
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Ductile iron and steel fittings with parallel thread for pipelines. Transition angles. Basic dimensions
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