Petroleum and natural gas industry. Subsea production systems. Pipes of nickel-chromium-molybdenum-columbium alloys and nickel-chromium-molybdenum-silicon alloys. Specifications
State system for ensuring the uniformity of measurements. State verification schedule for instruments measuring the ratio error and phase displacement of a.c. power frequency voltage in the range from 0,1/V3 to 750/V3 kV
€10
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