M00000976
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ISO DIS 20318-1 2017 Edition, June 23, 2017 Mechanical pencils and leads for general use - Classification, dimensions, quality and test methods - Part 1: Mechanical pencils
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Availability date: 07/13/2021
Description / Abstract: This part of ISO 20318-1 specifies classification, dimensions, quality and test methods for the hand-held mechanical pencils which hold and feed out a lead, and are used for general writing. The scope also includes a multi-function pen equipped with a mechanical pencil unit. However, those attached to the machinery instruments such as a plotter are excluded.