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Direct acting indicating analogue electrical measuring instruments and their accessories. Part 5. Special requirements for phase meters, power factor meters and synchroscopes
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Carriage holders boring with skew fastening of a cutter. Design and dimensions
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State system for ensuring the uniformity of measurements. General requirements for measuring the flow and volume of gas
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Mechanical vibration of non-reciprocating machines. Measurements on rotating shafts and evaluation criteria. Coupled industrial machines
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