Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
DB31/T 1171-2019 Rules and regulations regarding screening of refractive error for school aged children and adolescents 225.0 via email in 1~3 business day valid
DB31/T 8-2020 Hygienic standards for disinfection of nursery and kindergarten 255.0 via email in 1~3 business day valid
GB 11533-1989 STANDARD logarithmic visual acuity charts 130.0 via email in 1~3 business day abolished
GB 11533-2011 Standard for logarithmic visual acuity charts 100.0 via email in 1 business day valid
GB 16134-2011 Standard for physical examination records for elementary and middle school students 210.0 via email in 1~3 business day valid
GB 28231-2011 General provisions of safety and health for writing boards 270.0 via email in 1~3 business day valid
GB 28932-2012 Regulation of infectious diseases prevention and control in primary and secondary schools 120.0 via email in 1~3 business day valid
GB 31177-2014 Sanitary and administrative standards for school dormitory 100.0 via email in 1~3 business day valid
GB 40070-2021 Hygienic requirements of study products for myopia prevention and control in children and adolescents 285.0 via email in 1~3 business day valid
GB 7793-2010 Hygienic standard for day lighting and artificial lighting for middle and elementary school 120.0 via email in 1~3 business day abolished
GB 7793-2010/XG1-2018 Hygienic standard for day lighting and artificial lighting for middle and elementary school via email in business day valid
GB 8771-1988 Hygienic STANDARD for lead content of pencil coating 224.0 via email in 1~3 business day abolished
GB 8771-2007 Maximum limits for soluble elements content of pencil coating 154.0 via email in 1 business day valid
GB 8772-1988 Hygienic STANDARDs for seat arrangement and illumination in classroom with television 184.0 via email in 1~3 business day abolished
GB 8772-2011 Hygienic standard for seat arrangement and illumination in classroom with television 180.0 via email in 1~3 business day valid
GB/T 11533-2011 Standard for logarithmic visual acuity charts 225.0 via email in 1~3 business day valid
GB/T 16133-1995 Primary screening examination for defects of vertebral column among children and adolescents 184.0 via email in 1~3 business day superseded
GB/T 16133-2014 Screening of spinal curvature abnormality of children and adolescents 160.0 via email in 1~3 business day valid
GB/T 16134-1995 STANDARDs of physical examination records for students in elementary and middle schools 224.0 via email in 1~3 business day abolished
GB/T 17099-1997 Screening of hemoglobin for children and adolescents 220.0 via email in 1~3 business day abolished


About Us   |    Contact Us   |    Terms of Service   |    Privacy   |    Cancellation & Refund Policy   |    Payment
Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886
Copyright: Codeofchina Inc 2008-2020