GB/T 32862-2016
蓝宝石分级
Sapphire grading
- 实施日期
- 2017-03-01
- ICS 分类
- 39.060
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 32862-2016
Sapphire grading
GB/T 6046-2016
Analogue quartz clocks
GB/T 6044-2016
Analogue quartz watches
GB/T 20408-2016
Radio-controlled analogue clocks
GB/T 32485-2016
Methods of evaluation of the battery life of a battery-powered watch
GB/T 32484-2016
Watch-cases and accessories—Vapour phase deposited coatings
GB/T 32022-2015
Adornment with precious metal coating
GB/T 31896-2015
Classification,terminology and numbering for parts and assemblies of the time measuring instruments—Watch casings
GB/T 31912-2015
Adornment—Mark
GB/T 11886-2015
Silver jewellery alloys—Determination of sliver—Volhard method
GB/T 31390-2015
Appraisal for view stone
GB/T 31432-2015
Dushan Yu—Denomination and lassification
GB/T 11888-2014
Jewellery―Ring-size―Definition,measurement and designation
GB/T 31108-2014
Classification and codes of jewelry inlay information
GB/T 30712-2014
Provision of permissible errors for measurement of polished diamond mass
GB/T 30713-2014
Microscopic method of ink stone identification
GB/T 30416-2013
Technical specifications for clocks and watches after-sale repair service
GB/T 30415-2013
Horology—Functional and non-functional jewels
GB/T 4051-2013
Synthetic ruby
GB/T 30106-2013
Horology―Water-resistant watches