JY/T 0221-2019Centrifugal machine model (English PDF)
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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 0221-2019 (Centrifugal machine model) is available as an English-translated PDF.
JY/T 0221-2019 — This standard specifies the model designation, requirements, test methods, inspection rules, marks, instruction manuals, packaging, Transportation and storage.
This standard applies to the centrifugal mechanical model for physics teaching in middle schools (including three centrifugal speed controllers, centrifugal dryers, and centrifugal separators) Mechanical model).
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Document preview — JY/T 0221-2019
National Standard of the People's Republic of China
- ICS
- 03.180
- Classification
- Y 51
- Replacing
- JY 221-1987
Issued by: Ministry of Education of the People's Republic of China
Contents
- Document data1
Document data
Chinese classification (CCS): Y51.
Estimated length of the Chinese original: 9,981 words.
Supersedes the earlier edition JY 221-1987.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 2828.1-2012Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
- GB 6675.2-2014Safety of toys - Part 2: Mechanical and physical properties
- GB 21749-2008Safety requirement for the educational equipment -- Vitreous equipment and attachments
- GB 18581-2009Limit of Harmful Substances of Woodenware Coatings
- QB/T 3826-1999Corrosion-resistant testing method of the metal deposits and conversion coatings for the light industrial products - Neutral salt spraying test (NSS)
QB/T 3821-1999
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Related Standards
GB 21749-2008 — Safety requirement for the educational equipment -- Vitreous equipment and attachments
GB 6675.2-2014 — Safety of toys-Part 2:Mechanical and physical properties
GB/T 2828.1-2012 — Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
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JY/T 0221-2019
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