GB/T 43550.2-2023

Mechanical pencils and leads for general use—Classification, dimensions, quality and test methods—Part 2: Black leads

NORMA vydaná dňa 28.12.2023

Anglicky a čínsky -
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The information about the standard:

Designation standards: GB/T 43550.2-2023
Publication date standards: 28.12.2023
Country: Chinese technical standard
Kategória: Technické normy GB