Shfuqizuar
Specifies bending strengths and a test method for black leads of HB hardness degree used for mechanical pencils for technical drawings.
WITHDRAWN
ISO 9177-3:1994
95.99
Withdrawal of Standard
26 jan 2022
PUBLISHED
ISO 9177-3:2022
Lapsa mekanike (portamina) - Pjesa 2: Majat e zeza - Qëndrueshmëria në përkulje e majave HB
60.60 Standard published