GOST PDF
Cover paper for school copybooks (student). Specifications
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Coating materials. Anticorrosion primers. General specifications
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Paint coatings. Groups, technical requirements and designations
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State system of ensuring the uniformity of measurements. Thermal properties of liquidlead at temperatures from 330 °C to 1000 ° C
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Optics and photonics. Surface roughness. Parameters and types of directions of surface irregularities
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