GB 3836.2 Explosive atmospheres.Part 2:Equipment protection by flameproof enclosures "d"
GB 3836.20 Explosive atmospheres.Part 20:Equipment with equipment protection level(EPL)Ga
GB 3836.4 Explosive atmospheres.Part 4:Equipment protection by intrinsic safety "i"
GB/T 13384 General specifications for packing of mechanical and electrical product
GB/T 17614.1 Transmitters for use in industrial-process control systems.Part 1:Methods for performance evaluation
GB/T 17614.3 Transmitters for use in industrial-process control systems.Part 3:Methods for performance evaluation of intelligent transmitters*, 2018-07-13 Update
GB/T 191 Packaging.Pictorial marking for handling of goods
GB/T 20818.1 Industrial-process measurement and control.Data structures and elements in process equipment catalogues.Part 1:Measuring equipment with analogue and digital output
GB/T 2828.1 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)
GB/T 28473.1 Temperature transmitters for use in industrial-process measure and control systems.Part 1:General specification
GB/T 28473.2 Temperature transmitters for use in industrial-process measure and control systems.Part 2:Methods of evaluating the performance
GB/T 33899 Interoperating protocol for instrument of industrial internet of things
GB/T 33901 Identifier protocol for instrument of industrial internet of things