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Standard GB/T 20503-2026 25.5.2026 preview

GB/T 20503-2026

Anodic oxide coatings and organic polymer coatings on aluminium and its alloys—Measurement of specular reflectance and specular gloss

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STANDARD published on 25.5.2026


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The information about the standard:

Designation standards: GB/T 20503-2026
Note: Execute Date: december 2026
Publication date standards: 25.5.2026
SKU: NS-1274113
Country: Chinese technical standard
Category: Technical standards GB

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