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Soils. Methods for determination of sulphate ion in water extract
Document status: Active
Non-electrical equipment for potentially explosive atmospheres. Part 2. Protection by flow restricting enclosure 'fr'
Document status: Active
Ocological management. Evaluation of past, accumulation in places of arrangement organizations, of ecological damage. General rules
Document status: Active
Occupational safety standards system. High-visibility warning clothing. Technical requirements
Document status: Replaced by GOST 12.4.281-2021
Dental materials. Testing methods of wear. Part 1. Wear by toothbrushing
Document status: Active
Textiles. Determination of the abrasion resistance of fabrics by the Martindale method. Part 4. Assessment of appearance change
Document status: Active