Publikuar
Specifies the minimum requirements, details qualities necessary for draughting and reproduction, and specifies appropriate test methods for the most commonly used grammages. Annex A describes measurement of transparency using the reflectance method, Annex B describes determination of tear growth resistance.
PUBLISHED
ISO 9961:1992
90.93
Standard confirmed
21 dhj 2020
Zgjedhja e mjeteve për vizatimet teknike – Letër kopjimi natyrale
60.60 Standard published