GB/T 19851.4-2005 Sports equipment and playground for middle school and primary school Part 4:Basketball

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 19851.5-2005 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 19851.11-2005 Sports equipment and playground for middle school and primary school Part 11:Synthetic surfaced athletic ground 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/T 528-1998 Rubber,vulcanized or thermoplastic—Determination of tensile stress-strain properties GB/T 528-2009 Rubber,vulcanized or thermoplastic—Determination of tensile stress-strain properties 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 3512-2001 Rubber, vulcanized or thermoplastic—Accelerated ageing and heat resistance tests—Air-oven method GB/T 3512-2014 Rubber, vulcanized or thermoplastic—Accelerated ageing and heat resistance tests—Air-oven method GB/T 6388-1986 Transport package shipping mark GB/T 6543-1986 Corrugated box GB/T 6543-2008 Single and double corrugated boxes for transport packages GB/T 8948-1994 Polyvinyl chloride artificial leather GB/T 8948-2008 Polyvinyl chloride artificial leather GB/T 8949-1995 Polyurethane dry-processing artificial leather GB/T 8949-2008 Polyurethane dry-processing artificial leather HG/T 2290-2009 Rubber basketball, volleyball, football QB/T 1468-2017 handball HG/T 2290-1992 Rubber basketball, volleyball, soccer ball QB/T 1468-1992 basketball, football, volleyball, handball GB/T 6543-2025 Single and double corrugated boxes for transport packages GB/T 8948-2025 Polyvinyl chloride leatherette GB/T 8949-2025 Polyurethane leatherette