SS-ISO 9177-2:2022
Current
Current
The latest, up-to-date edition.
Mechanical pencils - Part 2: Black leads - Classification and dimensions (ISO 9177-2:2022, IDT)
Available format(s)
Hardcopy
Language(s)
English
Published date
10-06-2022
Publisher
This document specifies a classification and dimensions for black leads used for mechanical pencils for technical drawings.
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