GB - Chinese national standards

Non-destructive testing—Ultrasonic thickness measurement

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Non-destructive testing of welds—Ultrasonic testing—Techniques, testing levels, and assessment

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Radiograpial testing for aluminum alloy castings—Defect levels

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Mechanical vibration ofnon-reciprocating machines--Measurements on rotating shafts and evaluation criteria--Part 1:General guidelines

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Mechanical vibration - Evaluation of machines vibration by measurements on rotating shafts - Part 2: Land-based steam turbine - generators in excess of 50MW with normal operating speeds of 1500r/min1800r/min3000r/min and 3600r/min

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Mechanical vibration - Evaluation of machine vibration by measurements on rotating shafts - Part 3: Coupled industrial machines

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Mechanical vibration—Evaluation of machine vibration by measurements on rotating shafts—Part 4: Gas turbine sets with fluid-film bearings

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Mechanical vibration evaluation of machine vibration by measurements on rotating shafts - Part 5: Machine sets in hydraulic power generating and pumping plants

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Mechanical vibration and shock—Experimental determination of mechanical mobility—Part 1: Basic terms and definitions, and transducer specifications

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Mechanical vibration and shock—Experimental determination of mechanical mobility—Part 2: Measurements using single-point translation excitation with an attached vibration exciter

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