GB/T 39011.3-2020

Mechanical pencils for technical drawings-Part 3: Black leads-Bending strengths of HB leads

NORM herausgegeben am 21.7.2020

The information about the standard:

Designation standards: GB/T 39011.3-2020
Note: UNGÜLTIG
Publication date standards: 21.7.2020
Country: Chinese technical standard
Kategorie: Technische Normen GB