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B51-14 (R2019) – Boiler, pressure vessel, and pressure piping code

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ISO 20318:2019

ISO 20318:2019 Mechanical pencils and leads for general use – Classification, dimensions, quality and test methods – Part 2: Black leads

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SKU: 5acf1e9a3b9b Categories: ,

Description

This document specifies classification, dimensions, quality and test methods for black leads used for mechanical pencils for general writing, as specified in ISO 20318-1.

Edition

1

Published Date

2019-03-05

Status

PUBLISHED

Pages

11

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

This document specifies classification, dimensions, quality and test methods for black leads used for mechanical pencils for general writing, as specified in ISO 20318-1.

Previous Editions

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