GB/T 39542.1-2020

Mechanical pencils for technical drawings—Part 1: Classification, dimensions, performance requirements and testing

NORM herausgegeben am 21.7.2020

The information about the standard:

Designation standards: GB/T 39542.1-2020
Publication date standards: 21.7.2020
Country: Chinese technical standard
Kategorie: Technische Normen GB