GB/T 43550.2-2023
Classification, dimensions, quality and test methods of mechanical pencils and lead for general use Part 2: Black lead (English Version)
- Standard No.
- GB/T 43550.2-2023
- Language
- Chinese, Available in English version
- Release Date
- 2023
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Lastest
- GB/T 43550.2-2023
GB/T 43550.2-2023 history
- 2023 GB/T 43550.2-2023 Classification, dimensions, quality and test methods of mechanical pencils and lead for general use Part 2: Black lead