Group Standards of the People's Republic of China CN / TUANTI
Latest
T/ZZB 0235-2022
Scope
This document stipulates the terms and definitions, classification, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage and quality commitment of commercial roller pens and refills. This document is suitable for use in business meetings, document signing, contract signing and other occasions. It is a signature pen and refill with file preservation capabilities.