GB - Chinese national standards

Measurement method and evaluation criteria of dynamic characteristic and vibration on stator end windings of cylindrical synchronous generators

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Formed wire concentric lay overhead electrical stranded conductors

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Composite line post insulators for a.c. overhead lines with a norminal voltage greater than 1000V -- Definitions, Test methods and acceptance criteria

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Procedure for use in the preparation of maximum lamp outlines

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Barrel thread for lampholders with shade holder ring

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Photobiological safety of lamps and lamp systems

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Colorimetry—Part 1: CIE standard colorimetric observers

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Colorimetry—Part 2: CIE standard illuminants

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Colorimetry—Part 3:CIE tristimulus values

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Colorimetry—Part 4: CIE 1976 L* a* b* colour space

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