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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

General information
Valid from 05.03.2019
Directives or regulations
None

Standard history

Status
Date
Type
Name
05.03.2019
Main
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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