GB/T 39542.2-2025

Mechanical pencils for technical drawings—Part 2:Black leads—Classification and dimensions

NORMA vydána dne 30.5.2025

Anglicky a čínsky -
Elektronické PDF (NA DOTAZ)

The information about the standard:

Designation standards: GB/T 39542.2-2025
Publication date standards: 30.5.2025
Country: Chinese technical standard
Kategorie: Technické normy GB