GB/T 25094-2010 General technical specification of corrective maintenance tower for overhead transmission line

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 700-1988 Carbon structural steels GB/T 700-2006 Carbon structural steels GB/T 1591-1994 High strength low alloy structural steels GB/T 1591-2008 High strength low alloy structural steels GB/T 1591-2018 High strength low alloy structural steels GB/T 2900.51-1998 Electrotechnical Overhead lines GB/T 3098.1-2000 Mechanical properties of fasteners—Bolts, screws and studs GB/T 3098.1-2010 Mechanical properties of fasteners—Bolts,screws and studs GB/T 3098.2-2000 Mechanical properties of fasteners—Nuts—Coarse thread GB/T 3098.2-2015 Mechanical properties of fasteners—Nuts GB/T 3195-1997 Aluminium wires for electric conduction purpose GB/T 3195-2008 Aluminium and aluminium alloys drawn round wire GB/T 3195-2016 Aluminium and aluminium alloys drawn round wires GB/T 3195-2023 Aluminium and aluminium alloys drawn(rolled) round wire GB/T 5117-1995 Carbon steel covered electrodes GB/T 5117-2012 Covered electrodes for manual metal arc welding of non-alloy and fine grain steels GB/T 6892-2000 Wrought aluminium and aluminium alloys—Extruded profiles for commercial usage GB/T 6892-2006 Wrought aluminium and aluminium alloys extruded profiles for general engineering GB/T 6892-2015 Wrought aluminium and aluminium alloys extruded profiles for general engineering GB/T 6892-2023 Wrought aluminium and aluminium alloys extruded profiles for general engineering 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 13398-2003 Insulating hollow tubes and foam-filled tubes and solid rods for live working GB 13398-2008 Insulating hollow tubes and foam-filled tubes and solid rods for live working GB/T 16927.1-1997 High-voltage test techniques Part 1:General test requirements GB/T 16927.1-2011 High-voltage test techniques—Part 1:General definitions and test requirements GB/T 19519-2004 Composite insulators for a.c. overhead lines with a nominal voltage greater than 1000V—Definitions, test methods and acceptance criteria GB/T 19519-2014 Insulators for overhead lines—Composite suspension and tension insulators for a.c. systems with a nominal voltage greater than 1 000 V—Definitions,test methods and acceptance criteria DL/T 5092-1999 Technical code for designing 110~500kV overhead transmission line DL/T 409-2023 DL/T 409-2023 Electric Power Safety Work Regulations Part for Power Lines GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB/T 3098.2-2025 Mechanical properties of fasteners—Part 2:Nuts