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Database: 189759 (19 Oct 2025)
QB/T 4774-2014 English PDF
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QB/T 4774-2014
: Synthetic sapphire watch glasses
Status: Valid
Standard ID
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QB/T 4774-2014
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Synthetic sapphire watch glasses
Valid
QB/T 4774-2014
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Basic data
Standard ID
QB/T 4774-2014 (QB/T4774-2014)
Description (Translated English)
Synthetic sapphire watch glasses
Sector / Industry
Light Industry Standard (Recommended)
Classification of Chinese Standard
Y11
Classification of International Standard
39.040.10
Word Count Estimation
11,147
Date of Issue
7/9/2014
Date of Implementation
11/1/2014
Quoted Standard
GB/T 2828.1; GB/T 2829; GB/T 10111; GB/T 10125; GB 10810.3; GB/T 18449.1; QB/T 2813.1-2006
Regulation (derived from)
Ministry of Industry and Information Technology Notice No. 47 of 2014
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This Standard specifies the synthetic sapphire watch glass (referred to as "watch glass") the terms and definitions, requirements and test methods, inspection rules, marking, packaging, transportation and storage. This Standard applies to the manufacture