Resumen
This document specifies bending strengths and a test method for black leads of HB hardness degree used for mechanical pencils for technical drawings.
Preview
Previsualice esta norma en nuestra Plataforma de navegación en línea (OBP)
Informaciones generales
Ciclo de vida
-
Anteriormente
RetiradaISO 9177-3:1994
-
Ahora
Got a question?
Check out our FAQs
Customer care
+41 22 749 08 88
Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)