Power cables with extruded insulation and their accessories for rated voltages above 150 kV (Um = 170 kV) up to 500 kV (Um = 550 kV). Test methods and requirements
Medical laboratory technologies. Quality control of clinical laboratory tests. Description of materials for quality control of clinical laboratory investigations
State system for ensuring the uniformity of measurements. Metals and alloys. Instrumental indentation test for hardness and other material parameters. Part 3. Technical requirements and calibration of reference test blocks
State system for ensuring the uniformity of measurements. Measurements of liquids and gases flow rate and quantity by means of orifice instruments. Part 1. Principle of the method of measurements and general requirements
€10
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