GB/T 20899.1-2019

Methods for chemical analysis of gold ores—Part 1:Determination of gold content

NORMA vydaná dňa 31.12.2019

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The information about the standard:

Designation standards: GB/T 20899.1-2019
Publication date standards: 31.12.2019
Country: Chinese technical standard
Kategória: Technické normy GB