GB/T 47397-2026 Precast concrete components vibration platform

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB/T 2893.2-2008 Graphical symbols—Safety colours and safety signs—Part 2:Design principles for product safety labels GB/T 2893.2-2020 Graphical symbols—Safety colours and safety signs—Part 2:Design principles for product safety labels GB 5226.1-2002 Safety of machinery—Electrical equipment of machines—Part 1:General requirements GB 5226.1-2008 Electrical safety of machinery—Electrical equipment of machines—Part 1:General requirements GB/T 5226.1-2019 Electrical safety of machinery—Electrical equipment of machines—Part 1:General requirements GB/T 11337-2004 Measurement of departures from flatness GB/T 12467.4-1998 Quality requirements for welding—Fusion welding of metallic materials—Part 4:Elementary quality requirements GB/T 12467.4-2009 Quality requirements for fusion welding of metallic materials—Part 4:Elementary quality requirements GB/T 15706-2012 Safety of machinery—General principles for design—Risk assessment and risk reduction GB/T 15706.1-1995 Safety of machinery—Basic concept, general principles for design—Part 1:Basic terminology, methodology GB/T 15706.1-2007 Safety of machinery—Basic concepts, general principles for design—Part 1:Basic terminology, methodology GB/T 15706.2-1995 Safety of machinery—Basic concepts, general principles for design—Part 2:Technical principles and specifications GB/T 15706.2-2007 Safety of machinery—Basic concepts, general principles for design—Part 2:Technical principles JB/T 13712-2019 Noise measurement methods and limits for construction machinery and equipment