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Solid biofuels. Fuel quality assurance. Part 6. Nonwood pellets for non-industrial use
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Sucker rods, mouth stocks and couplings for them. Specifications
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Zinc concentrates. Methods for the determination of calcium oxide and magnesium oxide
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Alumina. Method for crystallooptic determination of monograins sizes in non-metallurgic alumina
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Ammonium nitrate for industrial use. Method determination of total nitrogen content (titrimetric) after distillation
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