Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
LoginRegister
Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
GB/T 14459-2006 inspection rules rules by attributes for precious metal adornment 105.0 via email in 1~3 business day valid
GB/T 20215-2006 Timekeeping instrument - Wristwatch-cases - Fixing dimensions of non - Spring-bar types 75.0 via email in 1~3 business day valid
GB/T 4048-2008 Timekeeping instruments - Wristwatches - Dimensions of bracelet-to-case fastening elements 140.0 via email in 1~3 business day valid
GB/T 28487-2012 Precious metal alloys chains—Determination of tensile strength—Method of tensile testing 110.0 via email in 1~3 business day valid
GB/T 33724-2017 Horology―Procedure for evaluating the accuracy of quartz watches 225.0 via email in 1~3 business day to be valid
QB/T 2541-2002 Horology -- Functional and non-functional jewels 75.0 via email in 1~3 business day valid
QB/T 2267-2015 Limits and fits for timekeeping instruments―Standard tolerance value of inserted middle tolerance grade for nominal size up to 18mm 270.0 via email in business day valid
QB 1132-2005 Jewellery-the provision of silver coatings tickness 60.0 via email in 1~3 business day valid
QB/T 2405-2010 Horolgical jewel 360.0 via email in 1~5 business day valid
GB/T 19718-2005 Jewellery - Determiantion of nickel content - Method of flame atomic absorption spectrometry 90.0 via email in 1~3 business day valid
QB/T 2312-2014 Square Hole Dimension Series of Watch Sliding Pinions 45.0 via email in 1~3 business day valid
QB/T 2813.3-2010 Mineral and sapphire watch-glasses-Part 3:Qualitative criteria and test methods 120.0 via email in 1~3 business day valid
GB/T 4032-1983 Wrist-chronometer with spring balance oscillator 60.0 via email in 1~3 business day abolished
DB37/T 2950-2017 Jewellery-Bracelet-size-Definition,measurementand designation via email in business day valid
GB/T 33725-2017 Watch cases and accessories―Tests of the resistance to wear, scratching and impacts 255.0 via email in 1~3 business day to be valid
QB/T 1690-2004 Provision of permissible errors for measurement of precious metals adornment mass 60.0 via email in 1~3 business day valid
QB/T 2022-2007 Lead-zinc-cupronickel bars for watches 120.0 via email in 1~3 business day valid
GB/T 28485-2012 Coated adornment—Detection of nickel release—Method for simulation of wear and corrosion 60.0 via email in 1 business day valid
GB/T 21198.2-2007 Determination of precious metals in precious metals jewellery alloys - Method using ICP spectrometry - Part 2:Platinum jewellery alloys - Determination of platinum - Method using the 210.0 via email in 1~3 business day valid
QB/T 1986-2010 Wristwatch dials 120.0 via email in 1~3 business day valid
About Us | Contact Us | Payment
Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | Send me a messageQQ: 672269886
Copyright: Codeofchina Inc 2008-2020