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State system for ensuring the uniformity of measurements. Optical density of photomaterials. Method of measurement
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Artificial lighting. Method for determining the maintenance factor lighting installations
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Oilseed residues. Determination of oil content. Part 1. Extraction method with hexane (or light petroleum)
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Manual control and stop valves for building water heating systems. General specifications
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Natural gas. Methods for measurement of volumetric combustion heat
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