GB/T 24720-2009 Traffic cones

GB/T 3681-2000 Plastics—Test method of exposure to weathering GB/T 3681-2011 Plastics—Methods of exposure to direct weathering,to weathering using glass-filtered daylight,and to intensified weathering by daylight using Fresnel mirrors GB/T 3681.1-2021 Plastics—Methods of exposure to solar radiation—Part 1:General guidance GB/T 3681.2-2021 Plastics—Methods of exposure to solar radiation—Part 2:Direct weathering and exposure behind window glass GB/T 3978-1994 Standard illuminants and illuminating—viewing conditions GB/T 3978-2008 Standard illuminants and geometric conditions GB/T 3979-1997 Methods of measuring the color of materials GB/T 3979-2008 Methods for the measurement of object color GB/T 10111-1988 Methods for random sampling by utilizing dices of random number GB/T 10111-2008 Generation of random numbers and procedures applied to sampling inspection for product quality GB/T 16422.2-1999 Plastics—Methods of exposure to laboratory light sources—Part 2:Xenon—arc sources GB/T 16422.2-2014 Plastics—Methods of exposure to laboratory light sources—Part 2:Xenon-arc sources GB/T 16422.2-2022 Plastics—Methods of exposure to laboratory light sources—Part 2:Xenon-arc lamps GB/T 18833-2002 Retro-reflective sheeting for road traffic signs GB/T 18833-2012 Retroreflective sheeting for traffic control JT/T 495-2014 The sampling method for inspecting the quality of highway traffic safety facilities JT/T 688-2022 JT/T 688-2022 Reflectivity Terminology JT/T 688-2007 JT/T 688-2007 Reflectivity Terminology JT/T 495-2004 Sampling method and Judgement for highway safety appurtenances quality audit JT/T 495-2025