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ISO 20318-2:2019

Mechanical pencils and leads for general use — Classification, dimensions, quality and test methods — Part 2: Black leads

Mar 5, 2019

General information

60.60     Mar 5, 2019

ISO

ISO/TC 10

International Standard

01.100.40     97.180  

English   French  

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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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PUBLISHED
ISO 20318-2:2019
60.60 Standard published
Mar 5, 2019

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