GB/T 22779-2026
液晶式石英钟
Liquid crystal displaying quartz clocks
- 实施日期
- 2027-02-01
- ICS 分类
- 39.040.20
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 22779-2026
Liquid crystal displaying quartz clocks
GB/T 47795-2026
Casing types and fitting dimensions of watch movements
GB/T 33724-2026
Horology—Procedure for evaluating the accuracy of quartz watches
GB/T 19719-2026
Jewellery—Determination of the release of nickel—Method of spectrometry
GB/T 14459-2026
Sampling inspection rules by attributes for precious metal adornment
GB 28480-2026
Jewellery—Technical requirements for safety
GB 46859-2025
Technical requirements for safety and security of children's watches
GB/T 22780-2025
Liquid crystal displaying quartz watches
GB/T 6044-2025
Analogue quartz watches
GB/T 36434-2018
GB/T 45611-2025
Diamond—Testing and classification
GB/T 22779-2017
GB/T 45030-2024
Shoushan stone—Tianhuang—Testing
GB/T 30416-2024
Specifications for the after-sales repair service of clocks and watches
GB/T 39141.4-2024
Mineral and sapphire watch-glasses—Part 4: Anti-reflective treatment
GB/T 44910-2024
Amber grading
GB/T 44914-2024
Hetianyu grading
GB/T 44913-2024
Filled monocrystal gemstones—Identification and classification
GB 44702-2024
Specification for the limitation of harmful substances found in watch casings contacting directly with skin
GB/T 31896-2015