ISO/DIS 9177-3

Mechanical pencils — Part 3: Black leads — Bending strengths of HB leads

General information

Current stage: 40.99 Effective date: 5 korr 2021

Originator: ISO

Owner: ISO/TC 10

Type: International Standard

Scope

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

Life cycle

PREVIOUSLY

Revises
ISO 9177-3:1994

NOW

IN_DEVELOPMENT
ISO/DIS 9177-3
40.99 Full report circulated: DIS approved for registration as FDIS
5 korr 2021

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

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