GB/T 39542.1-2020
Mechanical pencils for technical drawings—Part 1:Classification,dimensions,performance requirements and testing

Standard No.

GB/T 39542.1-2020

Language

Chinese

Release Date

2020

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Lastest

GB/T 39542.1-2020

Scope

This Part of GB/T 39542 specifies the classification, dimensions, performance requirements and test methods of mechanical pencils for technical drawing.

GB/T 39542.1-2020 history

• 2020 GB/T 39542.1-2020 Mechanical pencils for technical drawings—Part 1:Classification,dimensions,performance requirements and testing

GB/T 39542.1-2020 -All Parts