GB/T 39141.1-2020

Mineral and sapphire watch-glasses—Part 1Dimensions and tolerances

NORMA vydaná dňa 11.10.2020

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The information about the standard:

Designation standards: GB/T 39141.1-2020
Publication date standards: 11.10.2020
Country: Chinese technical standard
Kategória: Technické normy GB