GB - Chinese national standards

Unused silicone insulating liquids for electrotechnical purposes

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Magnetic materials—Classification

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Soft magnetic metallic materials

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Insulating liquids—Specifications for unused liquids based on synthetic aromatic hydrocarbons

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Methods for the determination of the lightning impulse breakdown voltage of insulating liquids

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Guide for the statistical analysis of ageing test data—Part 1: Methods based on mean values of normally distributed test results

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Guide for the statistical analysis of ageing test data—Part 2: Validation of procedures for statistical analysis of censored normally distributed data

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Guidelines for the statistical analysis of ageing test data—Part 3: Minimum specimen numbers at different test conditions with given experimental data

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Methods of test for the evaluation of water treeing in insulating materials

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Emergency power supply with inverter

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