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Mining equipment. Regulations of safe use of machinery and mechanisms in coal mines and cut for the dust factor
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Oil - based drilling fluids. Field testing of fluids characteristics
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Transformer oil of selective purification. Specifications
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Carbonaceous materials used in the production of aluminium. Sampling. General requirements. Part 1. Bottom blocks
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Reagents. Potassium citrate tribasic 1-aqueous. Specifications
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Graphite for manufacture of slate-pencils. Technical requirements
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