ISO 20318-2:2019
Current
Current
The latest, up-to-date edition.
Mechanical pencils and leads for general use — Classification, dimensions, quality and test methods — Part 2: Black leads
Available format(s)
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
Language(s)
French, English
Published date
03-05-2019
This document specifies classification, dimensions, quality and test methods for black leads used for mechanical pencils for general writing, as specified in ISO 20318-1.
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