GB/T 7921-1997
AbolishedUniform colour space and colour difference formula
均匀色空间和色差公式
Application Summary AI generated
GB/T 7921-1997 defines a uniform colour space and associated colour difference formula, providing a standardized method for quantifying and comparing colour differences. It is applied in industries such as paint, textiles, plastics, and printing for quality control, colour matching, and tolerance setting. The standard is used in laboratory testing and production environments to ensure consistent colour evaluation and communication across manufacturing and inspection processes.
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