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Non-electrical equipment for potentially explosive atmospheres. Part 3. Protection by flameproof enclosure 'd'

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Fire equipment. Fire valves. General technical requirements. Test methods

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Occupational safety standards system. Individual protective respiratory devices. Apparatus with chemical oxygen or compressed oxygen. Method of determining of inward leakage

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Clinical recommendations (protocols for patients cure). Prevention of thromboembolic syndromes

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Occupational safety standard system. Building. Building helmets. Specifications

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Occupational safety standards system. Special clothing for protection from sulphur dioxide. Method for determining the protective properties of materials

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