CJ/T 3-1999 Urban trolleybus and tramway—Pole for power supply network

GB 980 GB 981 GB 982 GB 1225 GB J 204 YB 28 YB 255 YB 256 YB 2005 JGJ 1884 GB 175-1999 Portland cement and ordinary Portland cement GB 175-2007 Common portland cement GB 175-2023 Common portland cement GB 199-1990 Rapid harding portland cement GB/T 343-1994 Low carbon steel wire for general uses GB 396-1994 Circular reinforced concrete pole GB/T 700-1988 Carbon structural steels GB/T 700-2006 Carbon structural steels GB/T 701-1997 Hot-rolled low carbon steel wire rods GB/T 701-2008 Hot rolled low carbon steel wire rods GB/T 983-1995 Stainless steel covered electrodes GB/T 983-2012 Covered electrodes for manual metal arc welding of stainless and heat-resisting steels GB/T 984-2001 Hardfacing electrodes for shielded metal arc welding GB 1344-1999 Portland blastfurnace-slag cement,Portland pozzolana cement and Portland fly-ash cement GB 1499-1998 Hot rolled ribbed steel bars for the reinforcement of concrete GB/T 1499.1-2008 Steel for the reinforcement of concrete—Part 1:Hot rolled plain bars GB/T 1499.1-2017 Steel for the reinforcement of concrete—Part 1:Hot rolled plain bars GB 1499.1-2024 Steel for the reinforcement of concrete—Part 1:Hot rolled plain bars GB/T 1499.2-2007 Steel for the reinforcement of concrete—Part 2:Hot rolled ribbed bars GB/T 1499.2-2018 Steel for the reinforcement of concrete—Part 2:Hot rolled ribbed bars GB 1499.2-2024 Steel for the reinforcement of concrete—Part 2:Hot rolled ribbed bars GB/T 1499.3-2002 Welded steel fabric for the reinforcement of concrete GB/T 1499.3-2010 Steel for the reinforcement of concrete—Part 3:Welded fabric GB/T 1499.3-2022 Steel for the reinforcement of concrete—Part 3:Welded fabric GB 4623-1994 Circular prestressed concrete pole GB/T 4623-2006 Circular concrete pole GB/T 4623-2014 Circular concrete pole JGJ 52-2006 Standard for technical requirements and test method of sand and crushed stone (or gravel) for ordinary concrete JGJ/T 53-2011 Technical specification for repairing water seepage of building GB/T 4623-2025 Circular concrete pole