Codes & Standards - Purchase
ISO 20318-2:2019
Mechanical pencils and leads for general use -- Classification, dimensions, quality and test methods -- Part 2: Black leads
SKU: iso_067689_165283
Published by ISO
Publication Year 2019
1 Edition
11 pages
Product Details
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.