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JY/T 0509.1-2019Teaching ruler - Part 1: Demo straight ruler (English PDF)

教学用尺第1部分：演示用直尺

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Issued by

Ministry of Education of the People's Republic of China

Level / Type

National · Recommended

Issue date

April 8, 2019

Implementation date

September 1, 2019

Scope

JY/T 0509.1-2019 is the English-translated version of 教学用尺第1部分：演示用直尺.

JY/T 0509.1-2019 — This section specifies the model designation, requirements, test methods, inspection rules, and marking, packaging, transportation, and storage of rulers for teaching demonstration.

Save. This section applies to rulers with instruction wireframe for teaching demonstration.

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Document preview — JY/T 0509.1-2019

National Standard of the People's Republic of China

ICS: 03.180
Classification: Y 51
Replacing: JY 168-1984

Issued by: Ministry of Education of the People's Republic of China

1 Foreword

JY/T 0509.1-2019 was issued by Ministry of Education of the People's Republic of China on 8 April 2019 and has been in force since 1 September 2019.

It replaces the earlier edition JY 168-1984.

It is one of 2 parts of the JY/T 0509 series.

2 Scope

This section specifies the model designation, requirements, test methods, inspection rules, and marking, packaging, transportation, and storage of rulers for teaching demonstration. Save. This section applies to rulers with instruction wireframe for teaching demonstration.

3 Normative references

GB/T 2410-2008 — Determination of the Luminous Transmittance and Haze of Transparent Plastics

GB/T 2828.1-2012 — Plain bearings -- Quality characteristics -- Statistical process control (SPC)

GB 24613-2009 — Limit of harmful substances of coatings for toys

4 About this standard

Issued by: Ministry of Education of the People's Republic of China

English translation: about 5 pages

Chinese original: about 7,711 characters

Supersedes the earlier edition JY 168-1984.

5 Related standards

Other parts of this standard:

JY/T 0509.2-2019 — Teaching ruler - Part 2: Straight ruler

6 Classification and status

International classification (ICS): 03.180

Chinese Standard Classification (CCS): Y 51

Prefix JY/T: recommended standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 5 pages — is available in the English PDF.

Referenced standards

Normative references

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