JB/T 20118-2009 Counter-flow falling-film evaporator

GB 150-1998 Steel pressure vessels GB 151-1999 Tubular heat exchangers GB 5226.1-2002 Safety of machinery—Electrical equipment of machines—Part 1:General requirements GB 9969.1-1998 General principles for preparation of instructions for use of industrial products GB/T 10111-1988 Methods for random sampling by utilizing dices of random number GB/T 10111-2008 Generation of random numbers and procedures applied to sampling inspection for product quality GB/T 12243-2005 Spring loaded safety valves GB/T 12243-2021 Spring loaded safety valves GB/T 1226-2001 General pressure gauge GB/T 1226-2010 General pressure gauge GB/T 1226-2017 General pressure gauge GB/T 13306-1991 Plates GB/T 13306-2011 Plates GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 4272-1992 General principles for thermal insulation technique of equipments and pipes GB/T 4272-2008 General principles for thermal insulation technique of equipment and pipes GB/T 4272-2024 General principles of thermal insulation technique for equipment and pipes JB/T 4709-2000 JB/T 4730.2-2005 YY/T 0216-1995 Editorial nominating method for the model designation of pharmaceutical machinery 压力容器安全技术监察规程(1999年版) JB/T 4711-2003 Coating and packing for pressure vessels transport GB/T 191-2025 Graphical symbols marking for handling and storage of packages