Publikuar
Specifies bending strengths and a test method for black leads of HB hardness degree used for mechanical pencils for technical drawings.
PUBLISHED
ISO 9177-3:1994
90.92
Standard to be revised
5 korr 2021
IN_DEVELOPMENT
ISO/DIS 9177-3
Lapsa mekanike (portamina) - Pjesa 2: Majat e zeza - Qëndrueshmëria në përkulje e majave HB
60.60 Standard published
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