ISO 20318-2:2019
International Standard
Current Edition
·
Approved on
05 March 2019
·
Mechanical pencils and leads for general use — Classification, dimensions, quality and test methods — Part 2: Black leads
ISO 20318-2:2019 Files
English
11 Pages
Current Edition
74.86 USD
ISO 20318-2:2019 Scope
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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