Published
ISO 9177-1:2016 specifies classification, dimensions, performance requirements and testing for hand-held mechanical pencils used for technical drawings.
WITHDRAWN
ISO 9177-1:2011
PUBLISHED
ISO 9177-1:2016
90.93
Standard confirmed
Feb 16, 2022
Mechanical pencils for technical drawings — Part 1: Classification, dimensions, performance requirements and testing
60.60 Standard published