T/ZZB 1379-2019
Gel ink ball pens and refills for students (English Version)
- Standard No.
- T/ZZB 1379-2019
- Language
- Chinese, Available in English version
- Release Date
- 2019
- Published By
- Group Standards of the People's Republic of China
- Latest
- T/ZZB 1379-2019
- Scope
- This standard specifies the basic requirements, classification, technical requirements, general test instruments, materials and conditions, test methods, inspection rules, marking, packaging, transportation, storage and quality commitment of neutral ink ballpoint pens and refills for students. This standard applies to neutral ink ballpoint pens (refillable and non-refillable) and refills (hereinafter referred to as "gel pens" and "refills") used by students with a ball diameter D of 0.40 mm ≤ D < 0.75 mm. ").
T/ZZB 1379-2019 history
- 2019 T/ZZB 1379-2019 Gel ink ball pens and refills for students
