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High-efficiency filters and filter media for removing particles in air. Part 5. Test method for filter elements
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Unified system of corrosion and ageing protection. Corrosion inhibitors of metals for water systems. Electrochemical method protective ability evaluation
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Non-active surgical implants. Implant coating. Part 1. General requirements
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Vessel metal structures. Metal workpieces. Ultrasonic testing
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Dry fermentation peptone for bacteriological objects. Specifications
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