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ISO 9177-3:2022

Mechanical pencils for technical drawings — Part 3: Black leads — Bending strengths of HB leads
26 jan 2022

General information

60.60     26 jan 2022

ISO

ISO/TC 10

International Standard

01.100.40     97.180  

anglisht  

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Publikuar

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Scope

This document specifies bending strengths and a test method for black leads of HB hardness degree used for mechanical pencils for technical drawings.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 9177-3:1994

NOW

PUBLISHED
ISO 9177-3:2022
60.60 Standard published
26 jan 2022

National adoptions

prSSH ISO 9177-3:2022  
DPS

Lapsa mekanikë (portamina) për vizatime teknike- Pjesa 3: Majat e zeza - Qëndrueshmëria në përkulje e majave HB

40.60 Close of voting

DPS/KT 304 më tepër