CJ/T 3044-1995 The line grit scraper for sedimentation tank in sewage treatment plant

CJ/T 522-2018 Traveling—bridge suction degritter for grit chamber in sewage treatment plant

GB 4720 GBJ 14 GBJ 17 GBJ 205 JB 8 SY J40 07 GB/T 4879-1999 Rustproof packaging GB/T 4879-2016 Rustproof packaging GB/T 4942.2-1993 Degrees of protection provided by enclosures for low-voltage apparatus GB 5083-1999 General rules for designing the production facilities in accordance with safety and health requirements GB 5083-2023 General rules for designing the production facilities in accordance with safety and health requirements 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 5226.2-2002 Safety of machinery—Electrical equipment of machines—Part 32:Requirements for hoisting machines GB 5226.3-2005 Safety of machinery—Electrical equipment of machines—Part 11:Requirements for HV equipment for voltages above 1 000 Va.c. or 1 500 Vd.c. and not exceeding 36 kV GB 5226.4-2005 Safety of machinery—Electrical equipment of machines—Part 31:Particular safety and EMC requirements for sewing machines, units and systems GB 5226.6-2014 Electrical safety of machinery—Electrical equipment of machines—Part 6:Requirements for construction machinery GB/T 5226.7-2020 Electrical safety of machinery—Electrical equipment of machines—Part 7:Requirements of industrial robot GB/T 5226.31-2017 Electrical safety of machinery—Electrical equipment of machines—Part 31:Particular safety and EMC requirements for sewing machines,units and systems GB/T 5226.32-2017 Electrical safety of machinery—Electrical equipment of machines—Part 32:Requirements for hoisting machines GB/T 5226.33-2017 Electrical safety of machinery—Electrical equipment of machines—Part 33:Requirements for semiconductor fabrication equipment GB/T 5226.34-2020 Electrical safety of machinery—Electrical equipment of machines—Part 34:Requirements for machine tools CJ/T 3035-1995 Rule for model designation of products in urban construction and building industry