GB/T 39024-2020
Black leads for wood-cased pencils—Classification and diameters

Standard No.

GB/T 39024-2020

Language

Chinese

Release Date

2020

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Lastest

GB/T 39024-2020

Scope

This standard specifies the classification and diameter of black lead in wooden pencils. 2 Terms and Definitions

GB/T 39024-2020 history

• 2020 GB/T 39024-2020 Black leads for wood-cased pencils—Classification and diameters