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Gel ink ball pens and refills — Part 1: General use

Gel ink ball pens and refills — Part 1: General use

Gel ink ball pens and refills — Part 1: General use

Overview - ISO 27668-1:2017 (Gel ink ball pens and refills - Part 1: General use) ISO 27668-1:2017 sets minimum quality requirements for gel ink ball pens (both refillable and non‑refillable) and ref…

Gel ink ball pens and refills. General use.