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Safety in electroheat installations. Part 2. Particular requirements for resistance heating equipment
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Brown coals, hard coals, anthracite, combustible shales and briquettes. Quality acceptance rules
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Metallic manganese and nitrated manganese. Methods for determination of phosphorus
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Wood-shaving and wood-fiber plates. Strength definition method at stretching perpendicularly plate layer
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Lamp controlgear. Part 2-12. Particular requirements for d.c. or a.c. supplied electronic ballasts for discharge lamps (excluding fluorescent lamps)
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