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State system for ensuring the uniformity of measurements. Contact (stylus) instruments for the measurement of surface roughness. Metrological characteristics of correct filters

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Thermal insulation materials for building and construction based on polyurethane (PU) and polyisocyanurate (PIR) foam applied in situ Polyurethane and polyisocyanurate rigid foam systems before application. Specifications

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Knitted fabrics. Fleece. Specifications

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Gear tooth rounding machines. Basic dimensions

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Wax-pattern dies. Surface roughness

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Spiroid gears. Terms, definitions and symbols

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