GB/T 19851.11-2005 Sports equipment and playground for middle school and primary school Part 11:Synthetic surfaced athletic ground

GB/T 19851.1-2005 Sports equipment and playground for middle school and primary school—Part 1:Body-building equipment GB/T 19851.2-2005 Sports equipment and playground for middle school and primary school Part 2:Gymnastic equipment GB/T 19851.3-2005 Sports equipment and playground for middle school and primary school Part 3:Basketball backstop GB/T 19851.4-2005 Sports equipment and playground for middle school and primary school Part 4:Basketball GB/T 19851.5-2005 Sports equipment and playground for middle school and primary school Part 5:Volleyball GB/T 19851.6-2005 Sports equipment and playground for middle school and primary school—Part 6:Soft-volleyball GB/T 19851.7-2005 Sports equipment and playground for middle school and primary school Part 7:Table tennis table GB/T 19851.8-2005 Sports equipment and playground for middle school and primary school Part 8:Table tennis GB/T 19851.9-2005 Sports equipment and playground for middle school and primary school Part 9:Shuttlecocks GB/T 19851.10-2005 Sports equipment and playground for middle school and primary school Part 10:Tennis racket GB/T 19851.12-2005 Sports equipment and playground for middle school and primary school—Part 12:Checkout-equipment for physique-health of students

GB 36246-2018 Sports areas with synthetic surfaces for primary and middle schools

GB/T 531-1999 Rubber—Determination of indentation hardness by means of pocket hardness meters GB/T 531.1-2008 Rubber,vulcanized or thermoplastic—Determination of indentation hardness—Part 1:Duromerer method(Shore hardness) GB/T 531.2-2009 Rubber,vulcanized or thermoplastic—Determination of indentation hardness—Part 2:IRHD pocket meter method GB/T 1681-1991 Rubber—Determination of rebound resilience of vulcanizates GB/T 1681-2009 Rubber—Determination of rebound resilience of vulcanizates GB/T 2941-2006 Rubber—General procedures for preparing and conditioning test pieces for physical test methods GB/T 9865.1-1996 Rubber, vulcanized or thermoplastic—Preparation of samples and test pieces—Part1:Physical tests 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 10654-2001 Flexible cellular polymeric materials—Determination of tensile strength and elongation at break QB/T 2443-2011 steel coil ruler QB/T 2443-1999 Steel coil ruler QB/T 2443-2024 Steel coil ruler GB/T 2941-2025 Rubber—General procedures for preparing and conditioning test pieces for physical test methods