GB/T 39011.3-2020
Mechanical pencils for technical drawings-Part 3: Black leads-Bending strengths of HB leads (English Version)

Standard No.

GB/T 39011.3-2020

Language

Chinese, Available in English version

Release Date

2020

Published By

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

Status

Withdraw

Latest

GB/T 39011.3-2020

GB/T 39011.3-2020 history

• 2020 GB/T 39011.3-2020 Mechanical pencils for technical drawings-Part 3: Black leads-Bending strengths of HB leads

GB/T 39011.3-2020 -All Parts