GB/T 14712-1993 Single-opening press

GB 5049-1985 GB 5050-1985

GB/T 14712-2009 Single-opening hot press

JB/ZQ 4879 ZB B97 001 JB/ZQ 4000.10 JB/ZQ 4286 ZB B97 012 GB/T 1184-1996 Geometrical tolerancing—Geometrical tolerance for features without individual tolerance indications 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 JB/T 3766-2008 Chalk with a hammer crusher JB/T 3766-2000 Chalk is processed using a hammer crusher