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State system for ensuring the uniformity of measurements. High-pressure-air ganging instruments of flowmeter type. Methods and means of verification
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Friction stir welding. Aluminium. Part 4. Specification and qualification of welding procedures
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State system for ensuring the uniformity of measurements. Measurement of liquids and gases flow rate and quantity by means of orifice instruments. Part 2. Orifice plates. Technical requirements
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Gas heated catering equipment. Part 1. Safety requirements and test methods
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Injection lasers, laser heads, laser diodes matrices, laser diodes. Parameters system
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