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Fertilizers. Extraction of soluble phosphorus according to Petermann at 65 °C
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Textiles. Bare elastane yarns. Determination of resistance to chlorinated water (swimming-pool water)
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Occupational safety standards system. Personal protective means of hear body. General requirements. Part 9. Earplugs with safety-related audio input
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Environmental management. Life cycle assessment. Principles, requirements and guidelines for normalization, weighting and interpretation
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Lighting and light warning for aeroplane and helicopter. Terms and definitions
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