GB/T 31254-2014 Safety of machinery—Safety specification for the design of fixed ladders

GB/T 8013.1-2007 Anodic oxide coatings and organic polymer coatings on aluminium and its alloys—Part 1:Anodic oxide coatings GB/T 15706-2012 Safety of machinery—General principles for design—Risk assessment and risk reduction GB/T 17888.3-2008 Safety of machinery—Permanent means of access to machinery—Part 3:Stairs,stepladders and guard-rails GB/T 17888.4-2008 Safety of machinery—Permanent means of access to machinery—Part 4:Fixed ladders GB/T 24537-2009 Personal fall protection equipment—Guided type fall arrester including a flexible anchor line GB 24542-2009 Personal fall protection equipment—Guided type fall arrester including a rigid anchor line GB 24544-2009 Personal fall protection equipment—Retractable type fall arrester GB/T 31255-2014 Safety of machinery—Safety specification for the design of industrial type stairs, working platforms and walkways ISO 12944(所有部分) GB/T 12467.1-1998 Quality requirements for welding—Fusion welding of metallic materials—Part 1:Guidelines for selection and use GB/T 12467.1-2009 Quality requirements for fusion welding of metallic materials—Part 1:Criteria for the selection of the appropriate level of quality requirements GB/T 12467.2-1998 Quality requirements for welding—Fusion welding of metallic materials—Part 2:Comprehensive quality requirements GB/T 12467.2-2009 Quality requirements for fusion welding of metallic materials—Part 2:Comprehensive quality requirements GB/T 12467.3-1998 Quality requirements for welding—Fusion welding of metallic materials—Part 3:Standards quality requirements GB/T 12467.3-2009 Quality requirements for fusion welding of metallic materials—Part 3:Standard quality requirements 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 12467.5-2009 Quality requirements for fusion welding of metallic materials—Part 5:Standard documents need to conform to claim conformity to the quality requirements GB/T 13912-2002 Metallic coatings—Hot dip galvanized coatings on fabricated iron and steel articles—Specifications and test methods GB/T 13912-2020 Metallic coatings—Hot dip galvanized coatings on fabricated iron and steel articles—Specifications and test methods GB 17888.2-1999 Safety of machinery—Permanent means of access to machines and industrial plants—Part 2:Working platforms and gangways GB/T 17888.2-2008 Safety of machinery—Permanent means of access to machinery—Part 2:Working platforms and walkways GB/T 17888.2-2020 Safety of machinery—Permanent means of access to machinery—Part 2:Working platforms and walkways GB/T 17889.2-1999 Ladders—Part 2:Requirements,testing,marking GB/T 17889.2-2012 Ladders—Part 2:Requirements,test,marking GB/T 17889.2-2021 Ladders—Part 2:Requirements,test,marking GB/T 19355-2003 Protection against corrosion of iron and steel in structures—Zinc and aluminum coatings-Guidelines GB/T 19355.1-2016 Zinc coatings—Guidelines and recommendations for the protection against corrosion of iron and steel in structures—Part 1:General principles of design and corrosion resistance GB/T 19355.2-2016 Zinc coatings—Guidelines and recommendations for the protection against corrosion of iron and steel in structures—Part 2:Hot dip galvanizing GB/T 19355.3-2016 Zinc coatings—Guidelines and recommendations for the protectionagainst corrosion of iron and steel in structures—Part 3:Sherardizing GB/T 22086-2008 Recommendations for welding of aluminium and aluminim alloys