Published
This document specifies bending strengths and a test method for black leads of HB hardness degree used for mechanical pencils for technical drawings.
Replaces
SSH ISO 9177-3:1994
PUBLISHED
SSH ISO 9177-3:2022
60.60
Standard published
Oct 17, 2024
Only informative sections of projects are publicly available. To view the full content, you will need to members of the committee. If you are a member, please log in to your account by clicking on the "Log in" button.