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ISO 20318-1:2019

Mechanical pencils and leads for general use - Classification, dimensions, quality and test methods - Part 1: Mechanical pencils

standard by International Organization for Standardization , 03/01/2019

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Full Description

This document specifies classification, dimensions, quality and test methods for hand-held mechanical pencilss which hold and feed out a lead, and are used for general writing. It is also applicable to multi-function pens equipped with a mechanical pencil unit. However, those pencils attached to machinery instruments such as a plotter are excluded.

 

Product Details

Edition:
1st
Published:
03/01/2019
Number of Pages:
16
File Size:
1 file , 1.4 MB
Note:
This product is unavailable in Ukraine, Russia, Belarus