GB/T 38020.2-2019

Watch-cases and accessories—Gold alloy coverings—Part 2:Determination of fineness, thickness, corrosion resistance and adhension

NORMA vydána dne 30.8.2019

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The information about the standard:

Designation standards: GB/T 38020.2-2019
Publication date standards: 30.8.2019
Country: Chinese technical standard
Kategorie: Technické normy GB