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Ductile iron and steel fittings with parallel thread for pipelines. Straight tees. Basic dimensions
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Direct acting indicating analogue electrical measuring instruments and their accessories. Part 4. Special requirements for frequency meters
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Textile machinery. Noise test code. Part 2. Spinning preparatory and spinning machinery
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Roll water- and wind-protective materials for roofs from piece roofing materials. General specifications
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Gas-insulated metal-enclosed switchgear for nominal voltages 110 kV and over. General specifications
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