GB/T 7962.21-2019

Test method of colourless optical glass—Part 21Resistance to attack by aqueous alkaline solutions

NORMA vydaná dňa 30.8.2019

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The information about the standard:

Designation standards: GB/T 7962.21-2019
Publication date standards: 30.8.2019
Country: Chinese technical standard
Kategória: Technické normy GB