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Plain bearings split bearing blocks and pillow-blocks. Technical requirements
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Fabrics for dresses, dresses suit and suit from chemical fabrics. General specifications
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State systems for ensuring the uniformity of measurements. Method of measurement of spectral diffuse reflectance of photovoltaic elements and solar collectors at angles of incidence of the radiation from 5 ° to 85 °
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Nontraditional power engineering. Solar power engineering. Solar collectors. Method of testing
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Iron pattern plates for moulding boxes having inside dimensions 1200x1000 mm for moulding foundry machines with turn of half mould without squeezing. Design and dimensions
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Brown coals, hard coals and anthracites. Classification by ranks and classes according to reflectance index of vitrinite
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